Bump nokogiri from 1.14.2 to 1.15.2

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.14.2 to 1.15.2.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.14.2...v1.15.2)

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

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

Gemfile.lock

@@ -28,13 +28,13 @@ GEM
       rb-inotify (~> 0.9, >= 0.9.10)
     lumberjack (1.2.8)
     method_source (0.9.2)
-    mini_portile2 (2.8.1)
+    mini_portile2 (2.8.2)
     mustermann (2.0.2)
       ruby2_keywords (~> 0.0.1)
     nenv (0.3.0)
     nio4r (2.5.9)
-    nokogiri (1.14.2)
-      mini_portile2 (~> 2.8.0)
+    nokogiri (1.15.2)
+      mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     notiffany (0.1.3)
       nenv (~> 0.1)