Attempt to fix the Sonar issue

by inlining the branch name instead of a shell variable.

Author: ascheman

.github/workflows/build-artifacts.yml

@@ -66,8 +66,7 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
-          BRANCH_NAME=${GITHUB_REF#refs/heads/}
-          ./gradlew sonar -Psonar.branch.name=${BRANCH_NAME} --info --scan
+          ./gradlew sonar -Psonar.branch.name=${GITHUB_REF#refs/heads/} --info --scan
 
       - name: Upload Artifacts
         uses: actions/upload-artifact@v4