Add continue-on-error to CodeQL (needs repo security settings)

CodeQL SARIF upload requires Code scanning to be enabled in repo
Security settings. Mark as non-blocking until configured.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: vitbokisch

.github/workflows/ci.yml

@@ -120,6 +120,8 @@ jobs:
     name: CodeQL Analysis
     runs-on: ubuntu-latest
     timeout-minutes: 10
+    # Requires Code scanning enabled in repo Security settings
+    continue-on-error: true
     permissions:
       contents: read
       security-events: write