Bump nokogiri from 1.11.7 to 1.13.4

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.11.7 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@v1.11.7...v1.13.4)

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

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

Author: dependabot[bot]

Gemfile.lock

@@ -369,7 +369,7 @@ GEM
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.5.3)
+    mini_portile2 (2.8.0)
     minima (2.1.1)
       jekyll (~> 3.3)
     minitest (5.10.3)
@@ -378,8 +378,8 @@ GEM
     multipart-post (2.1.1)
     net-dns (0.9.0)
     netrc (0.11.0)
-    nokogiri (1.11.7)
-      mini_portile2 (~> 2.5.0)
+    nokogiri (1.13.4)
+      mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     oauth2 (1.4.4)
       faraday (>= 0.8, < 2.0)
@@ -393,7 +393,7 @@ GEM
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (2.0.5)
-    racc (1.5.2)
+    racc (1.6.0)
     rack (2.2.3)
     rake (12.3.3)
     rb-fsevent (0.10.3)