Bump nokogiri from 1.6.6.2 to 1.13.6

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.6.6.2 to 1.13.6.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.6.6.2...v1.13.6)

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

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

Author: dependabot[bot]

Gemfile.lock

@@ -213,10 +213,10 @@ GEM
       net-protocol
       timeout
     nio4r (2.5.8)
-    nokogiri (1.13.4)
+    nokogiri (1.13.6)
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
-    nokogiri (1.13.4-x86-mingw32)
+    nokogiri (1.13.6-x86-mingw32)
       racc (~> 1.4)
     parallel (1.22.1)
     parser (3.1.2.0)