Merge pull request #97 from openapi-processor/dependabot/github_actions/actions/checkout-6

Bump actions/checkout from 5 to 6

Author: hauner

.github/workflows/ci.yaml

@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
 
     - name: set up JDK
       uses: actions/setup-java@v5