chore(deps): bump nokogiri in the dependencies group

Bumps the dependencies group with 1 update: [nokogiri](https://github.com/sparklemotion/nokogiri).


Updates `nokogiri` from 1.18.5 to 1.18.6
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.18.5...v1.18.6)

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

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

Author: dependabot[bot]

Gemfile.lock

@@ -268,24 +268,24 @@ GEM
     minitest (5.25.1)
     net-http (0.4.1)
       uri
-    nokogiri (1.18.5)
+    nokogiri (1.18.6)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.18.5-aarch64-linux-gnu)
+    nokogiri (1.18.6-aarch64-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.18.5-aarch64-linux-musl)
+    nokogiri (1.18.6-aarch64-linux-musl)
       racc (~> 1.4)
-    nokogiri (1.18.5-arm-linux-gnu)
+    nokogiri (1.18.6-arm-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.18.5-arm-linux-musl)
+    nokogiri (1.18.6-arm-linux-musl)
       racc (~> 1.4)
-    nokogiri (1.18.5-arm64-darwin)
+    nokogiri (1.18.6-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.18.5-x86_64-darwin)
+    nokogiri (1.18.6-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.18.5-x86_64-linux-gnu)
+    nokogiri (1.18.6-x86_64-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.18.5-x86_64-linux-musl)
+    nokogiri (1.18.6-x86_64-linux-musl)
       racc (~> 1.4)
     octokit (4.25.1)
       faraday (>= 1, < 3)