Bump nokogiri from 1.16.7 to 1.18.7

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.16.7 to 1.18.7.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.16.7...v1.18.7)

---
updated-dependencies:
- dependency-name: nokogiri
  dependency-version: 1.18.7
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -97,11 +97,11 @@ GEM
     nap (1.1.0)
     net-http (0.4.1)
       uri
-    nokogiri (1.16.7-arm64-darwin)
+    nokogiri (1.18.7-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.7-x86_64-darwin)
+    nokogiri (1.18.7-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.7-x86_64-linux)
+    nokogiri (1.18.7-x86_64-linux-gnu)
       racc (~> 1.4)
     octokit (9.2.0)
       faraday (>= 1, < 3)