Merge pull request #234 from ocsigen/dependabot/github_actions/ocaml/setup-ocaml-3

Bump ocaml/setup-ocaml from 2 to 3

Author: balat

.github/workflows/build.yml

@@ -33,11 +33,9 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Set-up OCaml
-        uses: ocaml/setup-ocaml@v2
+        uses: ocaml/setup-ocaml@v3
         with:
           ocaml-compiler: ${{ matrix.ocaml-compiler }}
-          allow-prerelease-opam: true
-          opam-depext: false
           opam-pin: false
 
       - name: Re-install OpenSSL on macOS