Qodana: Revert workaround for failure on PRs

Author: bkoelman

.github/workflows/qodana.yml

@@ -23,8 +23,6 @@ jobs:
         fetch-depth: 0  # a full history is required for pull request analysis
     - name: 'Qodana Scan'
       uses: JetBrains/qodana-action@v2023.2
-      with:
-        pr-mode: false # workaround for bug: job fails on PR (without writing logs) when no source files have changed
       env:
         QODANA_TOKEN: ${{ secrets.QODANA_TOKEN }}
     - name: Upload results to artifacts on failure