security: block vulnerable runtime dependencies (Closes #988)

.gitea/workflows/ci.yml

@@ -15,6 +15,8 @@ jobs:
       - uses: actions/setup-python@v5
         with: { python-version: "3.11" }
       - run: pip install -r requirements.txt
+      - run: pip install -r requirements-audit.txt
+      - run: python3 -m pip_audit -r requirements.txt --strict
       - run: python3 -m pytest tests/ -q
 
   build-release: