[ci] fix mac builds

.github/workflows/main.yml

@@ -411,7 +411,7 @@ jobs:
           opam env
           opam pin add ctypes 0.17.1 --yes
           opam pin add haxe . --no-action
-          opam install haxe --deps-only
+          opam install haxe --deps-only --assume-depexts
           opam list
           ocamlopt -v
       

extra/github-actions/build-mac.yml

@@ -38,7 +38,7 @@
     opam env
     opam pin add ctypes 0.17.1 --yes
     opam pin add haxe . --no-action
-    opam install haxe --deps-only
+    opam install haxe --deps-only --assume-depexts
     opam list
     ocamlopt -v