Merge pull request #28362 from ocaml/dependabot/github_actions/actions/checkout-5

Bump actions/checkout from 4 to 5

Author: smorimoto

.github/workflows/windows.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - name: Checkout tree
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Download install.ps1
         run: |