Bump the dependabot group across 1 directory with 2 updates

Bumps the dependabot group with 2 updates in the / directory: [mkdocs](https://github.com/mkdocs/mkdocs) and [pytest](https://github.com/pytest-dev/pytest).


Updates `mkdocs` from 1.6.0 to 1.6.1
- [Release notes](https://github.com/mkdocs/mkdocs/releases)
- [Commits](mkdocs/mkdocs@1.6.0...1.6.1)

Updates `pytest` from 8.2.2 to 8.3.3
- [Release notes](https://github.com/pytest-dev/pytest/releases)
- [Changelog](https://github.com/pytest-dev/pytest/blob/main/CHANGELOG.rst)
- [Commits](pytest-dev/pytest@8.2.2...8.3.3)

---
updated-dependencies:
- dependency-name: mkdocs
  dependency-type: direct:development
  update-type: version-update:semver-patch
  dependency-group: dependabot
- dependency-name: pytest
  dependency-type: direct:development
  update-type: version-update:semver-minor
  dependency-group: dependabot
...

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

requirements-dev.txt

@@ -1,5 +1,5 @@
-mkdocs==1.6.0
-pytest==8.2.2
+mkdocs==1.6.1
+pytest==8.3.3
 flake8
 pyinstaller
 pytest-cov