chore(deps): bump importlib-metadata from 8.8.0 to 9.0.0 in /docs/_build

Bumps [importlib-metadata](https://github.com/python/importlib_metadata) from 8.8.0 to 9.0.0.
- [Release notes](https://github.com/python/importlib_metadata/releases)
- [Changelog](https://github.com/python/importlib_metadata/blob/main/NEWS.rst)
- [Commits](https://github.com/python/importlib_metadata/compare/v8.8.0...v9.0.0)

---
updated-dependencies:
- dependency-name: importlib-metadata
  dependency-version: 9.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

docs/_build/requirements.txt

@@ -1,7 +1,7 @@
 beautifulsoup4==4.14.3
 click==8.3.1
 ghp-import==2.1.0
-importlib-metadata==8.8.0
+importlib-metadata==9.0.0
 Jinja2==3.1.6
 Markdown>=3.2.1,<3.11
 MarkupSafe==3.0.3