Bump pypubsub from 4.0.3 to 4.0.7

Bumps [pypubsub](https://github.com/schollii/pypubsub) from 4.0.3 to 4.0.7.
- [Release notes](https://github.com/schollii/pypubsub/releases)
- [Changelog](https://github.com/schollii/pypubsub/blob/master/docs/changelog.rst)
- [Commits](https://github.com/schollii/pypubsub/compare/v4.0.3...v4.0.7)

---
updated-dependencies:
- dependency-name: pypubsub
  dependency-version: 4.0.7
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

requirements.txt

@@ -32,7 +32,7 @@ pluggy==1.6.0
 psutil==7.1.3
 pyenchant==3.3.0
 pypiwin32==223
-Pypubsub==4.0.3
+Pypubsub==4.0.7
 PySocks==1.7.1
 pytest==9.0.1
 python-dateutil==2.9.0.post0