Bump nokogiri from 1.16.3 to 1.16.5 in /docs (#757)

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.16.3 to 1.16.5.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.16.3...v1.16.5)

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

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

docs/Gemfile.lock

@@ -213,7 +213,7 @@ GEM
     minitest (5.22.3)
     net-http (0.4.1)
       uri
-    nokogiri (1.16.3-x86_64-linux)
+    nokogiri (1.16.5-x86_64-linux)
       racc (~> 1.4)
     octokit (4.25.1)
       faraday (>= 1, < 3)