docs: clarify parallel job execution in CI example (#388)

The example already uses separate jobs for lint and test (which run in
parallel by default), but this wasn't obvious. Added an inline comment
to make the parallelization explicit.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: aviavraham

src/agentready/assessors/testing.py

@@ -1336,7 +1336,7 @@ def _create_remediation(self) -> Remediation:
     branches: [main]
 
 jobs:
-  lint:
+  lint:  # lint and test jobs run in parallel
     name: Lint Code
     runs-on: ubuntu-latest
     steps: