Update ocaml/setup-ocaml to v3 (#1636)

Signed-off-by: Sora Morimoto <[email protected]>

Author: smorimoto

.github/dependabot.yml

@@ -4,3 +4,6 @@ updates:
     directory: /
     schedule:
       interval: weekly
+    labels:
+      - dependencies
+      - no changelog

.github/workflows/build.yml

@@ -67,7 +67,7 @@ jobs:
 
     steps:
       - name: Set git to use LF
-        if: runner.ocaml-compiler < 5.2
+        if: matrix.ocaml-compiler < 5.2
         run: |
           git config --global core.autocrlf false
           git config --global core.eol lf
@@ -82,10 +82,9 @@ jobs:
           node-version: lts/*
 
       - name: Set-up OCaml ${{ matrix.ocaml-compiler }}
-        uses: ocaml/setup-ocaml@v3.0.0-beta1
+        uses: ocaml/setup-ocaml@v3
         with:
           ocaml-compiler: ${{ matrix.ocaml-compiler }}
-          allow-prerelease-opam: true
           dune-cache: true
           opam-pin: false
 
@@ -132,13 +131,12 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Set-up OCaml
-        uses: ocaml/setup-ocaml@v3.0.0-beta1
+        uses: ocaml/setup-ocaml@v3
         with:
           ocaml-compiler: "5.2"
-          allow-prerelease-opam: true
           dune-cache: true
 
-      - uses: ocaml/setup-ocaml/lint-opam@v3.0.0-beta1
+      - uses: ocaml/setup-ocaml/lint-opam@v3
         continue-on-error: true
 
   lint-fmt:
@@ -148,10 +146,9 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Set-up OCaml
-        uses: ocaml/setup-ocaml@v3.0.0-beta1
+        uses: ocaml/setup-ocaml@v3
         with:
           ocaml-compiler: "5.2"
-          allow-prerelease-opam: true
           dune-cache: true
 
-      - uses: ocaml/setup-ocaml/lint-fmt@v3.0.0-beta1
+      - uses: ocaml/setup-ocaml/lint-fmt@v3