fix: replace --strict with --verify for sync_wiki

The rewritten sync_wiki.py (devx 0.35.1) removed the --strict flag.
The new git-based approach is strict by default; --verify adds
post-sync page verification.

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

.gitea/workflows/post-merge.yml

@@ -195,7 +195,7 @@ jobs:
           PYTHONPATH: src
         run: |
           . .venv/bin/activate 2>/dev/null || true
-          python3 -m devx.ci.sync_wiki --repo "${{ github.repository }}" --strict
+          python3 -m devx.ci.sync_wiki --repo "${{ github.repository }}" --verify
       - name: Notify on failure
         if: failure()
         env: