Bump nokogiri from 1.16.2 to 1.18.8

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.16.2 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@v1.16.2...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

@@ -215,11 +215,11 @@ GEM
     next_rails (1.3.0)
       colorize (>= 0.8.1)
     nio4r (2.7.4)
-    nokogiri (1.16.2-arm64-darwin)
+    nokogiri (1.18.8-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.2-x86_64-darwin)
+    nokogiri (1.18.8-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.2-x86_64-linux)
+    nokogiri (1.18.8-x86_64-linux-gnu)
       racc (~> 1.4)
     oauth2 (2.0.9)
       faraday (>= 0.17.3, < 3.0)
@@ -261,7 +261,7 @@ GEM
       nio4r (~> 2.0)
     pundit (2.3.1)
       activesupport (>= 3.0.0)
-    racc (1.7.3)
+    racc (1.8.1)
     rack (2.2.8)
     rack-mini-profiler (3.1.1)
       rack (>= 1.2.0)