Chore(deps): Bump the development group with 4 updates

Bumps the development group with 4 updates: [mkdocs-material](https://github.com/squidfunk/mkdocs-material), [pytest](https://github.com/pytest-dev/pytest), [pytest-cov](https://github.com/pytest-dev/pytest-cov) and [ruff](https://github.com/astral-sh/ruff).


Updates `mkdocs-material` from 9.6.18 to 9.6.19
- [Release notes](https://github.com/squidfunk/mkdocs-material/releases)
- [Changelog](https://github.com/squidfunk/mkdocs-material/blob/master/CHANGELOG)
- [Commits](https://github.com/squidfunk/mkdocs-material/compare/9.6.18...9.6.19)

Updates `pytest` from 8.4.1 to 8.4.2
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest/compare/8.4.1...8.4.2)

Updates `pytest-cov` from 6.2.1 to 6.3.0
- [Changelog](https://github.com/pytest-dev/pytest-cov/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/pytest-dev/pytest-cov/compare/v6.2.1...v6.3.0)

Updates `ruff` from 0.12.11 to 0.12.12
- [Release notes](https://github.com/astral-sh/ruff/releases)
- [Changelog](https://github.com/astral-sh/ruff/blob/main/CHANGELOG.md)
- [Commits](https://github.com/astral-sh/ruff/compare/0.12.11...0.12.12)

---
updated-dependencies:
- dependency-name: mkdocs-material
  dependency-version: 9.6.19
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: development
- dependency-name: pytest
  dependency-version: 8.4.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: development
- dependency-name: pytest-cov
  dependency-version: 6.3.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: development
- dependency-name: ruff
  dependency-version: 0.12.12
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: development
...

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

pyproject.toml

@@ -103,7 +103,7 @@ testing = [
   "factory-boy~=3.3.1",
   "imagehash",
   "pytest~=8.4.1",
-  "pytest-cov~=6.2.1",
+  "pytest-cov~=6.3.0",
   "pytest-django~=4.11.1",
   "pytest-env",
   "pytest-httpx",