chore(deps): bump the dependencies group with 2 updates

Bumps the dependencies group with 2 updates: [mypy](https://github.com/python/mypy) and [pytest](https://github.com/pytest-dev/pytest).


Updates `mypy` from 1.15.0 to 1.16.0
- [Changelog](https://github.com/python/mypy/blob/master/CHANGELOG.md)
- [Commits](python/mypy@v1.15.0...v1.16.0)

Updates `pytest` from 8.3.5 to 8.4.0
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.3.5...8.4.0)

---
updated-dependencies:
- dependency-name: mypy
  dependency-version: 1.16.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies
- dependency-name: pytest
  dependency-version: 8.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

requirements-test.txt

@@ -1,9 +1,9 @@
 black==25.1.0
 flake8==7.2.0
-mypy==1.15.0
+mypy==1.16.0
 mypy-extensions==1.1.0
 pylint==3.3.7
-pytest==8.3.5
+pytest==8.4.0
 pytest-cov==6.1.1
 types-pytz==2025.2.0.20250516
 types-requests==2.32.0.20250515