1) Add new `test_graphene` test module for expanded testing coverage;
2) Introduce `test_drf` module in `engine/blog` for improved API testing;
Fixes:
1) Remove unnecessary `--extra testing` flag from Dockerfile to streamline dependencies;
2) Update `uv.lock` with newer versions of dependencies (`certifi`, `coverage`, `django-constance`) for enhanced security and functionality;
Extra:
1) Remove deprecated packages (`bandit`, `cfgv`, `distlib`) from `uv.lock` for cleanup;
2) Adjust `uv.lock` content and formatting to be consistent with updated dependencies.
Fixes: 1) Ensure logging conditions are guarded by proper vendor and attribute checks; 2) Correct `__str__` method fallback logic for `VendorManager`;
Extra: 1) Update dependencies including `docutils` to 0.21.2, `psutil` to 7.1.2, and `pip` to >=25.3; 2) Clean up `pyproject.toml` and `uv.lock` with refined version specifications and added new entries; 3) Refactor import statements and remove redundant code; 4) Upgrade Python version to 3.13 in config.
