Merge pull request #46726 from vbgl/ocaml-broken-on-aarch

ocaml ≤ 4.05: mark as broken on Aarch64

pkgs/development/compilers/ocaml/generic.nix

···
       '';
 
     platforms = with platforms; linux ++ darwin;
+    broken = stdenv.isAarch64 && !stdenv.lib.versionAtLeast major_version "4.06";
   };
 
 })