removed hidden spaces

.github/workflows/build.yml

@@ -148,8 +148,8 @@ jobs:
       - name: Fetch Sources
         uses: actions/checkout@v5
         with:
-          ref: ${{ github.event.pull_request.head.sha }}  # to check out the actual pull request commit, not the merge commit
-          fetch-depth: 0  # a full history is required for pull request analysis
+          ref: ${{ github.event.pull_request.head.sha }} # to check out the actual pull request commit, not the merge commit
+          fetch-depth: 0 # a full history is required for pull request analysis
 
       # Set up the Java environment for the next steps
       - name: Setup Java