Bump nokogiri from 1.13.10 to 1.15.3

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.13.10 to 1.15.3.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.13.10...v1.15.3)

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

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

Gemfile.lock

@@ -43,13 +43,13 @@ GEM
     jwt (2.2.2)
     kamelcase (0.0.2)
       semver2 (~> 3)
-    mini_portile2 (2.8.0)
+    mini_portile2 (2.8.4)
     minitest (5.18.1)
     multi_json (1.15.0)
     multi_xml (0.6.0)
     multipart-post (2.1.1)
-    nokogiri (1.13.10)
-      mini_portile2 (~> 2.8.0)
+    nokogiri (1.15.3)
+      mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     oauth2 (1.4.11)
       faraday (>= 0.17.3, < 3.0)
@@ -63,7 +63,7 @@ GEM
     psych (5.1.0)
       stringio
     public_suffix (4.0.6)
-    racc (1.6.1)
+    racc (1.7.1)
     rack (3.0.7)
     rainbow (3.1.1)
     rake (13.0.6)