Bump nokogiri from 1.10.10 to 1.13.4

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.10.10 to 1.13.4.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/v1.13.4/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.10.10...v1.13.4)

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

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

Author: dependabot[bot]

Gemfile.lock

@@ -41,12 +41,13 @@ GEM
     jwt (2.2.1)
     method_source (1.0.0)
     mime-types (2.99.3)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.8.0)
     multi_json (1.15.0)
     multi_xml (0.6.0)
     multipart-post (2.1.1)
-    nokogiri (1.10.10)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.13.4)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     oauth2 (1.4.4)
       faraday (>= 0.8, < 2.0)
       jwt (>= 1.0, < 3.0)
@@ -57,6 +58,7 @@ GEM
       coderay (~> 1.1)
       method_source (~> 1.0)
     psych (3.1.0)
+    racc (1.6.0)
     rack (2.2.3)
     rake (13.0.1)
     rchardet (1.8.0)