Bump nokogiri from 1.15.4 to 1.15.5

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.15.4 to 1.15.5.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.15.4...v1.15.5)

---
updated-dependencies:
- dependency-name: nokogiri
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -226,7 +226,7 @@ GEM
       ruby2_keywords (~> 0.0.1)
     netrc (0.11.0)
     nio4r (2.6.0)
-    nokogiri (1.15.4)
+    nokogiri (1.15.5)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     null_logger (0.0.1)