Fixes: 1) Correct type hint in `validate` method of `serializers.py`; 2) Fix incorrect use of `uuid` by converting to string in various email tasks across `signals.py` and `viewsets.py`;
Extra: None;
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.
