Merge pull request #240 from ocsigen/dependabot/github_actions/actions/checkout-6

Bump actions/checkout from 5 to 6

Author: smorimoto

.github/workflows/build.yml

@@ -32,7 +32,7 @@ jobs:
 
     steps:
       - name: Checkout tree
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set-up OCaml
         uses: ocaml/setup-ocaml@v3