haskell-updates: make sure the transitive-broken-packges are sorted using LC_ALL=C

This makes sure that the output list of transitive broken packages will
always be ordered the same regardless of the environment you are
running from.

Changed files
+1 -1
maintainers
+1 -1
maintainers/scripts/haskell/regenerate-transitive-broken-packages.sh
···
EOF
echo "Regenerating list of transitive broken packages ..."
-
echo -e $(nix-instantiate --eval --strict maintainers/scripts/haskell/transitive-broken-packages.nix) | sed 's/\"//' | sort -i >> $config_file
+
echo -e $(nix-instantiate --eval --strict maintainers/scripts/haskell/transitive-broken-packages.nix) | sed 's/\"//' | LC_ALL=C.UTF-8 sort -i >> $config_file