Bump check-manifest from 0.49 to 0.50

Bumps [check-manifest](https://github.com/mgedmin/check-manifest) from 0.49 to 0.50.
- [Changelog](https://github.com/mgedmin/check-manifest/blob/master/CHANGES.rst)
- [Commits](mgedmin/check-manifest@0.49...0.50)

---
updated-dependencies:
- dependency-name: check-manifest
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

requirements-dev.txt

@@ -3,6 +3,6 @@
 twine==5.1.1
 build==1.2.2.post1
 setuptools==75.2.0
-check-manifest==0.49
+check-manifest==0.50
 pyroma==4.2
 check-wheel-contents==0.6.0