Attempt to fix github action

Author: gridbugs

.github/workflows/test.yml

@@ -8,9 +8,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Set-up OCaml
-      uses: ocaml/setup-ocaml@v2
+      uses: ocaml/setup-ocaml@v3
       with:
-        ocaml-compiler: 4.14.1
+        ocaml-compiler: 5.3.0
         opam-pin: false
         opam-depext: false
     - uses: actions/checkout@v3
@@ -31,7 +31,7 @@ jobs:
       run: |
         sudo apt update
     - name: Set-up OCaml
-      uses: ocaml/setup-ocaml@v2
+      uses: ocaml/setup-ocaml@v3
       with:
         ocaml-compiler: ${{ matrix.ocaml }}
     - run: opam install . --deps-only --with-test