Bump zipp from 3.8.1 to 3.19.1 in /docs (#6418)

Bumps [zipp](https://github.com/jaraco/zipp) from 3.8.1 to 3.19.1.
- [Release notes](https://github.com/jaraco/zipp/releases)
- [Changelog](https://github.com/jaraco/zipp/blob/main/NEWS.rst)
- [Commits](https://github.com/jaraco/zipp/compare/v3.8.1...v3.19.1)

---
updated-dependencies:
- dependency-name: zipp
  dependency-type: indirect
...

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

docs/requirements.txt

@@ -66,7 +66,7 @@ watchdog==2.1.9
     # via mkdocs
 wheel==0.38.1
     # via pip-tools
-zipp==3.8.1
+zipp==3.19.1
     # via importlib-metadata
 
 # The following packages are considered to be unsafe in a requirements file: