build(deps): Bump twisted in /testing/plugins_integration (#11385)

Bumps [twisted](https://github.com/twisted/twisted) from 22.8.0 to 23.8.0.
- [Release notes](https://github.com/twisted/twisted/releases)
- [Changelog](https://github.com/twisted/twisted/blob/trunk/NEWS.rst)
- [Commits](https://github.com/twisted/twisted/compare/twisted-22.8.0...twisted-23.8.0)

---
updated-dependencies:
- dependency-name: twisted
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

testing/plugins_integration/requirements.txt

@@ -11,5 +11,5 @@ pytest-rerunfailures==12.0
 pytest-sugar==0.9.7
 pytest-trio==0.7.0
 pytest-twisted==1.14.0
-twisted==22.8.0
+twisted==23.8.0
 pytest-xvfb==3.0.0