Bump the pip-deps group across 1 directory with 4 updates (#842)

Bumps the pip-deps group with 4 updates in the / directory: [platformdirs](https://github.com/tox-dev/platformdirs), [pymdown-extensions](https://github.com/facelessuser/pymdown-extensions), [tinycss2](https://github.com/Kozea/tinycss2) and [urllib3](https://github.com/urllib3/urllib3).


Updates `platformdirs` from 4.5.0 to 4.5.1
- [Release notes](https://github.com/tox-dev/platformdirs/releases)
- [Changelog](https://github.com/tox-dev/platformdirs/blob/main/CHANGES.rst)
- [Commits](tox-dev/platformdirs@4.5.0...4.5.1)

Updates `pymdown-extensions` from 10.17.1 to 10.17.2
- [Release notes](https://github.com/facelessuser/pymdown-extensions/releases)
- [Commits](facelessuser/pymdown-extensions@10.17.1...10.17.2)

Updates `tinycss2` from 1.5.0 to 1.5.1
- [Release notes](https://github.com/Kozea/tinycss2/releases)
- [Changelog](https://github.com/Kozea/tinycss2/blob/main/docs/changelog.rst)
- [Commits](Kozea/tinycss2@v1.5.0...v1.5.1)

Updates `urllib3` from 2.5.0 to 2.6.0
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.5.0...2.6.0)

---
updated-dependencies:
- dependency-name: platformdirs
  dependency-version: 4.5.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: pip-deps
- dependency-name: pymdown-extensions
  dependency-version: 10.17.2
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: pip-deps
- dependency-name: tinycss2
  dependency-version: 1.5.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: pip-deps
- dependency-name: urllib3
  dependency-version: 2.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: pip-deps
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -22,18 +22,18 @@ packaging==25.0
 paginate==0.5.7
 pathspec==0.12.1
 Pillow==12.0.0
-platformdirs==4.5.0
+platformdirs==4.5.1
 pycparser==2.23
 Pygments==2.19.2
-pymdown-extensions==10.17.1
+pymdown-extensions==10.17.2
 python-dateutil==2.9.0.post0
 PyYAML==6.0.3
 pyyaml_env_tag==1.1
 regex==2025.11.3
 requests==2.32.5
 six==1.17.0
 termcolor==3.2.0
-tinycss2==1.5.0
-urllib3==2.5.0
+tinycss2==1.5.1
+urllib3==2.6.0
 watchdog==6.0.0
 webencodings==0.5.1