automake: 1.16 -> 1.18.1 (#340373)

Changed files
+1 -1
pkgs
top-level
+1 -1
pkgs/top-level/all-packages.nix
···
autoconf269 = callPackage ../development/tools/misc/autoconf/2.69.nix { };
autoconf271 = callPackage ../development/tools/misc/autoconf/2.71.nix { };
-
automake = automake116x;
+
automake = automake118x;
automake116x = callPackage ../development/tools/misc/automake/automake-1.16.x.nix { };