Fixes: 1) Correct redundant user lookup in JWT mutations.
Extra: 1) Add TODO comments for HTTP method tests in both DRF and Graphene test modules; 2) Minor cleanup in test files.
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.
