Bump usort from 1.0.7 to 1.0.8.post1

Bumps [usort](https://github.com/facebook/usort) from 1.0.7 to 1.0.8.post1.
- [Changelog](https://github.com/facebook/usort/blob/main/CHANGELOG.md)
- [Commits](facebook/usort@v1.0.7...v1.0.8.post1)

---
updated-dependencies:
- dependency-name: usort
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -10,4 +10,4 @@ myst-parser==2.0.0
 Sphinx==7.2.5
 black==24.1.1
 flake8==7.0.0
-usort==1.0.7
+usort==1.0.8.post1