[CI] Update setup-ocaml action

Author: proux01

.github/workflows/doc.yml

@@ -23,7 +23,7 @@ jobs:
       uses: actions/checkout@v3
 
     - name: setup ocaml
-      uses: avsm/setup-ocaml@v3
+      uses: ocaml/setup-ocaml@v3
       with:
         ocaml-compiler: 4.14.2
 

.github/workflows/release.yml

@@ -63,7 +63,7 @@ jobs:
           fetch-tags: 'true'
 
       - name: Use OCaml 4.14.x
-        uses: avsm/setup-ocaml@v3
+        uses: ocaml/setup-ocaml@v3
         with:
           ocaml-compiler: 4.14.x
           opam-local-packages: |