Bump readme-renderer from 40.0 to 42.0

Bumps [readme-renderer](https://github.com/pypa/readme_renderer) from 40.0 to 42.0.
- [Release notes](https://github.com/pypa/readme_renderer/releases)
- [Changelog](https://github.com/pypa/readme_renderer/blob/main/CHANGES.rst)
- [Commits](pypa/readme_renderer@40.0...42.0)

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

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

requirements.txt

@@ -18,7 +18,7 @@ pkginfo==1.9.6
 protobuf==4.24.2
 pyfakefs==5.2.3
 Pygments==2.16.1
-readme-renderer==40.0
+readme-renderer==42.0
 redbaron==0.9.2
 requests==2.31.0
 requests-toolbelt==1.0.0