Bump nokogiri from 1.16.5 to 1.16.6

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.16.5 to 1.16.6.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/v1.16.6/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.16.5...v1.16.6)

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

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

Gemfile.lock

@@ -59,12 +59,12 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2024.0604)
     mini_portile2 (2.8.7)
-    nokogiri (1.16.5)
+    nokogiri (1.16.6)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.16.5-arm64-darwin)
+    nokogiri (1.16.6-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.16.5-x86_64-linux)
+    nokogiri (1.16.6-x86_64-linux)
       racc (~> 1.4)
     parallel (1.25.1)
     pdf-reader (2.12.0)