build(deps-dev): bump rstcheck[sphinx] from 6.2.1 to 6.2.4 (#542)

Bumps [rstcheck[sphinx]](https://github.com/rstcheck/rstcheck) from 6.2.1 to 6.2.4.
- [Changelog](https://github.com/rstcheck/rstcheck/blob/main/CHANGELOG.md)
- [Commits](rstcheck/rstcheck@v6.2.1...v6.2.4)

---
updated-dependencies:
- dependency-name: rstcheck[sphinx]
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

requirements-dev.txt

@@ -3,4 +3,4 @@ flake8==7.0.0
 pyinstaller==6.8.0
 pytest==8.2.2
 pytest-cov==5.0.0
-rstcheck[sphinx]==6.2.1
+rstcheck[sphinx]==6.2.4