chore(deps): bump watchdog from 4.0.2 to 5.0.0 in /hack/api-docs (#3861)

Bumps [watchdog](https://github.com/gorakhargosh/watchdog) from 4.0.2 to 5.0.0.
- [Release notes](https://github.com/gorakhargosh/watchdog/releases)
- [Changelog](https://github.com/gorakhargosh/watchdog/blob/master/changelog.rst)
- [Commits](https://github.com/gorakhargosh/watchdog/compare/v4.0.2...v5.0.0)

---
updated-dependencies:
- dependency-name: watchdog
  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>

hack/api-docs/requirements.txt

@@ -38,5 +38,5 @@ termcolor==2.4.0
 tornado==6.4.1
 urllib3==2.2.2
 verspec==0.1.0
-watchdog==4.0.2
+watchdog==5.0.0
 zipp==3.20.0