Bump nokogiri from 1.13.4 to 1.13.5 in /public/doc

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.13.4 to 1.13.5.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.13.4...v1.13.5)

---
updated-dependencies:
- dependency-name: nokogiri
  dependency-type: direct:production
...

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

Author: dependabot[bot]

doc/Gemfile.lock

@@ -2,10 +2,10 @@ GEM
   remote: https://rubygems.org/
   specs:
     mini_portile2 (2.8.0)
-    nokogiri (1.13.4)
+    nokogiri (1.13.5)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    nokogiri (1.13.4-x86_64-linux)
+    nokogiri (1.13.5-x86_64-linux)
       racc (~> 1.4)
     racc (1.6.0)