Merge pull request #338 from xtext/dependabot/github_actions/actions/checkout-7

Bump actions/checkout from 6 to 7

Author: cdietrich

.github/workflows/build.yml

@@ -11,7 +11,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Set up JDK 21
         uses: actions/setup-java@v5
         with: