Bump nokogiri from 1.13.10 to 1.18.8

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.13.10 to 1.18.8.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.13.10...v1.18.8)

---
updated-dependencies:
- dependency-name: nokogiri
  dependency-version: 1.18.8
  dependency-type: indirect
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -69,8 +69,8 @@ GEM
     logger (1.7.0)
     mercenary (0.4.0)
     mini_portile2 (2.8.9)
-    nokogiri (1.13.10)
-      mini_portile2 (~> 2.8.0)
+    nokogiri (1.18.8)
+      mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     parallel (1.24.0)
     pathutil (0.16.2)