CI: -y

Author: Julow

tools/build-mingw64.sh

@@ -44,7 +44,7 @@ eval $(opam env)
 
 cd ..
 
-opam pin add -n ocamlformat-lib .
+opam pin add -yn ocamlformat-lib .
 opam install -y --deps-only ./ocamlformat.opam
 
 dune subst