inquire 0.2.1 is not compatible with ocaml 5
```
=== ERROR while compiling inquire.0.2.1 ======================================#
context 2.2.0~alpha~dev | linux/x86_64 | ocaml-base-compiler.5.0.0 | file:///home/opam/opam-repository
path ~/.opam/5.0/.opam-switch/build/inquire.0.2.1
command ~/.opam/opam-init/hooks/sandbox.sh build dune build -p inquire -j 31 @install
exit-code 1
env-file ~/.opam/log/inquire-8-cd580c.env
output-file ~/.opam/log/inquire-8-cd580c.out
(cd _build/default/vendor/lambda-term/src && /usr/bin/gcc -O2 -fno-strict-aliasing -fwrapv -pthread -fPIC -D_FILE_OFFSET_BITS=64 -O2 -fno-strict-aliasing -fwrapv -pthread -fPIC c_library_flags -g -I /home/opam/.opam/5.0/lib/ocaml -I /home/opam/.opam/5.0/lib/bytes -I /home/opam/.opam/5.0/lib/lwt -I /home/opam/.opam/5.0/lib/lwt/unix -I /home/opam/.opam/5.0/lib/lwt_log -I /home/opam/.opam/5.0/lib/lwt_log/core -I /home/opam/.opam/5.0/lib/lwt_react -I /home/opam/.opam/5.0/lib/mew -I /home/opam/.opam/5.0/lib/mew_vi -I /home/opam/.opam/5.0/lib/ocaml/threads -I /home/opam/.opam/5.0/lib/ocaml/unix -I /home/opam/.opam/5.0/lib/ocplib-endian -I /home/opam/.opam/5.0/lib/ocplib-endian/bigstring -I /home/opam/.opam/5.0/lib/react -I /home/opam/.opam/5.0/lib/result -I /home/opam/.opam/5.0/lib/trie -I /home/opam/.opam/5.0/lib/uucp -I /home/opam/.opam/5.0/lib/uunf -I /home/opam/.opam/5.0/lib/uuseg -I /home/opam/.opam/5.0/lib/uutf -I ../../zed/src -o lTerm_unix_stubs.o -c lTerm_unix_stubs.c)
gcc: warning: c_library_flags: linker input file unused because linking not done
(cd _build/default/vendor/lambda-term/src && /usr/bin/gcc -O2 -fno-strict-aliasing -fwrapv -pthread -fPIC -D_FILE_OFFSET_BITS=64 -O2 -fno-strict-aliasing -fwrapv -pthread -fPIC c_library_flags -g -I /home/opam/.opam/5.0/lib/ocaml -I /home/opam/.opam/5.0/lib/bytes -I /home/opam/.opam/5.0/lib/lwt -I /home/opam/.opam/5.0/lib/lwt/unix -I /home/opam/.opam/5.0/lib/lwt_log -I /home/opam/.opam/5.0/lib/lwt_log/core -I /home/opam/.opam/5.0/lib/lwt_react -I /home/opam/.opam/5.0/lib/mew -I /home/opam/.opam/5.0/lib/mew_vi -I /home/opam/.opam/5.0/lib/ocaml/threads -I /home/opam/.opam/5.0/lib/ocaml/unix -I /home/opam/.opam/5.0/lib/ocplib-endian -I /home/opam/.opam/5.0/lib/ocplib-endian/bigstring -I /home/opam/.opam/5.0/lib/react -I /home/opam/.opam/5.0/lib/result -I /home/opam/.opam/5.0/lib/trie -I /home/opam/.opam/5.0/lib/uucp -I /home/opam/.opam/5.0/lib/uunf -I /home/opam/.opam/5.0/lib/uuseg -I /home/opam/.opam/5.0/lib/uutf -I ../../zed/src -o lTerm_windows_stubs.o -c lTerm_windows_stubs.c)
gcc: warning: c_library_flags: linker input file unused because linking not done
(cd _build/default/vendor/lambda-term/src && /usr/bin/gcc -O2 -fno-strict-aliasing -fwrapv -pthread -fPIC -D_FILE_OFFSET_BITS=64 -O2 -fno-strict-aliasing -fwrapv -pthread -fPIC c_library_flags -g -I /home/opam/.opam/5.0/lib/ocaml -I /home/opam/.opam/5.0/lib/bytes -I /home/opam/.opam/5.0/lib/lwt -I /home/opam/.opam/5.0/lib/lwt/unix -I /home/opam/.opam/5.0/lib/lwt_log -I /home/opam/.opam/5.0/lib/lwt_log/core -I /home/opam/.opam/5.0/lib/lwt_react -I /home/opam/.opam/5.0/lib/mew -I /home/opam/.opam/5.0/lib/mew_vi -I /home/opam/.opam/5.0/lib/ocaml/threads -I /home/opam/.opam/5.0/lib/ocaml/unix -I /home/opam/.opam/5.0/lib/ocplib-endian -I /home/opam/.opam/5.0/lib/ocplib-endian/bigstring -I /home/opam/.opam/5.0/lib/react -I /home/opam/.opam/5.0/lib/result -I /home/opam/.opam/5.0/lib/trie -I /home/opam/.opam/5.0/lib/uucp -I /home/opam/.opam/5.0/lib/uunf -I /home/opam/.opam/5.0/lib/uuseg -I /home/opam/.opam/5.0/lib/uutf -I ../../zed/src -o lTerm_term_stubs.o -c lTerm_term_stubs.c)
gcc: warning: c_library_flags: linker input file unused because linking not done
(cd _build/default && /home/opam/.opam/5.0/bin/ocamlc.opt -w -40 -safe-string -g -bin-annot -I vendor/lambda-term/src/.lambda_term.objs/byte -I /home/opam/.opam/5.0/lib/bytes -I /home/opam/.opam/5.0/lib/lwt -I /home/opam/.opam/5.0/lib/lwt/unix -I /home/opam/.opam/5.0/lib/lwt_log -I /home/opam/.opam/5.0/lib/lwt_log/core -I /home/opam/.opam/5.0/lib/lwt_react -I /home/opam/.opam/5.0/lib/mew -I /home/opam/.opam/5.0/lib/mew_vi -I /home/opam/.opam/5.0/lib/ocaml/threads -I /home/opam/.opam/5.0/lib/ocaml/unix -I /home/opam/.opam/5.0/lib/ocplib-endian -I /home/opam/.opam/5.0/lib/ocplib-endian/bigstring -I /home/opam/.opam/5.0/lib/react -I /home/opam/.opam/5.0/lib/result -I /home/opam/.opam/5.0/lib/trie -I /home/opam/.opam/5.0/lib/uucp -I /home/opam/.opam/5.0/lib/uunf -I /home/opam/.opam/5.0/lib/uuseg -I /home/opam/.opam/5.0/lib/uutf -I vendor/zed/src/.zed.objs/byte -intf-suffix .ml -no-alias-deps -o vendor/lambda-term/src/.lambda_term.objs/byte/lTerm_key.cmo -c -impl vendor/lambda-term/src/lTerm_key.ml)
File "vendor/lambda-term/src/lTerm_key.ml", line 13, characters 25-47:
13 | let lowercase_ascii = StringLabels.lowercase
^^^^^^^^^^^^^^^^^^^^^^
Error: Unbound value StringLabels.lowercase
(cd _build/default && /home/opam/.opam/5.0/bin/ocamlc.opt -w -40 -safe-string -g -bin-annot -I vendor/lambda-term/src/.lambda_term.objs/byte -I /home/opam/.opam/5.0/lib/bytes -I /home/opam/.opam/5.0/lib/lwt -I /home/opam/.opam/5.0/lib/lwt/unix -I /home/opam/.opam/5.0/lib/lwt_log -I /home/opam/.opam/5.0/lib/lwt_log/core -I /home/opam/.opam/5.0/lib/lwt_react -I /home/opam/.opam/5.0/lib/mew -I /home/opam/.opam/5.0/lib/mew_vi -I /home/opam/.opam/5.0/lib/ocaml/threads -I /home/opam/.opam/5.0/lib/ocaml/unix -I /home/opam/.opam/5.0/lib/ocplib-endian -I /home/opam/.opam/5.0/lib/ocplib-endian/bigstring -I /home/opam/.opam/5.0/lib/react -I /home/opam/.opam/5.0/lib/result -I /home/opam/.opam/5.0/lib/trie -I /home/opam/.opam/5.0/lib/uucp -I /home/opam/.opam/5.0/lib/uunf -I /home/opam/.opam/5.0/lib/uuseg -I /home/opam/.opam/5.0/lib/uutf -I vendor/zed/src/.zed.objs/byte -no-alias-deps -o vendor/lambda-term/src/.lambda_term.objs/byte/lTerm_text_impl.cmo -c -impl vendor/lambda-term/src/lTerm_text_impl.ml)
File "vendor/lambda-term/src/lTerm_text_impl.ml", line 382, characters 10-47:
382 | Format.pp_set_formatter_tag_functions fmt {
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Error: Unbound value Format.pp_set_formatter_tag_functions
Hint: Did you mean pp_set_formatter_stag_functions?
(cd _build/default && /home/opam/.opam/5.0/bin/ocamlc.opt -w -40 -safe-string -g -bin-annot -I vendor/lambda-term/src/.lambda_term.objs/byte -I /home/opam/.opam/5.0/lib/bytes -I /home/opam/.opam/5.0/lib/lwt -I /home/opam/.opam/5.0/lib/lwt/unix -I /home/opam/.opam/5.0/lib/lwt_log -I /home/opam/.opam/5.0/lib/lwt_log/core -I /home/opam/.opam/5.0/lib/lwt_react -I /home/opam/.opam/5.0/lib/mew -I /home/opam/.opam/5.0/lib/mew_vi -I /home/opam/.opam/5.0/lib/ocaml/threads -I /home/opam/.opam/5.0/lib/ocaml/unix -I /home/opam/.opam/5.0/lib/ocplib-endian -I /home/opam/.opam/5.0/lib/ocplib-endian/bigstring -I /home/opam/.opam/5.0/lib/react -I /home/opam/.opam/5.0/lib/result -I /home/opam/.opam/5.0/lib/trie -I /home/opam/.opam/5.0/lib/uucp -I /home/opam/.opam/5.0/lib/uunf -I /home/opam/.opam/5.0/lib/uuseg -I /home/opam/.opam/5.0/lib/uutf -I vendor/zed/src/.zed.objs/byte -intf-suffix .ml -no-alias-deps -o vendor/lambda-term/src/.lambda_term.objs/byte/lTerm_resources.cmo -c -impl vendor/lambda-term/src/lTerm_resources.ml)
File "vendor/lambda-term/src/lTerm_resources.ml", line 14, characters 25-47:
14 | let lowercase_ascii = StringLabels.lowercase
^^^^^^^^^^^^^^^^^^^^^^
Error: Unbound value StringLabels.lowercase
(cd _build/default && /home/opam/.opam/5.0/bin/ocamlopt.opt -w -40 -safe-string -g -I vendor/lambda-term/src/.lambda_term.objs/byte -I vendor/lambda-term/src/.lambda_term.objs/native -I /home/opam/.opam/5.0/lib/bytes -I /home/opam/.opam/5.0/lib/lwt -I /home/opam/.opam/5.0/lib/lwt/unix -I /home/opam/.opam/5.0/lib/lwt_log -I /home/opam/.opam/5.0/lib/lwt_log/core -I /home/opam/.opam/5.0/lib/lwt_react -I /home/opam/.opam/5.0/lib/mew -I /home/opam/.opam/5.0/lib/mew_vi -I /home/opam/.opam/5.0/lib/ocaml/threads -I /home/opam/.opam/5.0/lib/ocaml/unix -I /home/opam/.opam/5.0/lib/ocplib-endian -I /home/opam/.opam/5.0/lib/ocplib-endian/bigstring -I /home/opam/.opam/5.0/lib/react -I /home/opam/.opam/5.0/lib/result -I /home/opam/.opam/5.0/lib/trie -I /home/opam/.opam/5.0/lib/uucp -I /home/opam/.opam/5.0/lib/uunf -I /home/opam/.opam/5.0/lib/uuseg -I /home/opam/.opam/5.0/lib/uutf -I vendor/zed/src/.zed.objs/byte -I vendor/zed/src/.zed.objs/native -intf-suffix .ml -no-alias-deps -o vendor/lambda-term/src/.lambda_term.objs/native/lTerm_key.cmx -c -impl vendor/lambda-term/src/lTerm_key.ml)
File "vendor/lambda-term/src/lTerm_key.ml", line 13, characters 25-47:
13 | let lowercase_ascii = StringLabels.lowercase
^^^^^^^^^^^^^^^^^^^^^^
Error: Unbound value StringLabels.lowercase
```
Signed-off-by: Marcello Seri <marcello.seri@gmail.com>