Merge pull request #927 from eclipse-lsp4j/dependabot/github_actions/actions/checkout-6

Author: dependabot[bot]

.github/workflows/validate.yml

@@ -51,7 +51,7 @@ jobs:
     steps:
 
     - name: Git Checkout
-      uses: actions/checkout@v5  # https://github.com/actions/checkout
+      uses: actions/checkout@v6  # https://github.com/actions/checkout
 
 
     - name: "Install: JDKs for building and testing"