Bump nokogiri from 1.11.1 to 1.19.1

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.11.1 to 1.19.1.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.11.1...v1.19.1)

---
updated-dependencies:
- dependency-name: nokogiri
  dependency-version: 1.19.1
  dependency-type: indirect
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -211,15 +211,17 @@ GEM
       jekyll-seo-tag (~> 2.1)
     minitest (5.14.4)
     multipart-post (2.1.1)
-    nokogiri (1.11.1-x86_64-darwin)
+    nokogiri (1.19.1-x86_64-darwin)
+      racc (~> 1.4)
+    nokogiri (1.19.1-x86_64-linux-gnu)
       racc (~> 1.4)
     octokit (4.20.0)
       faraday (>= 0.9)
       sawyer (~> 0.8.0, >= 0.5.3)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (4.0.6)
-    racc (1.5.2)
+    racc (1.8.1)
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
@@ -255,10 +257,10 @@ GEM
 
 PLATFORMS
   x86_64-darwin-18
+  x86_64-linux
 
 DEPENDENCIES
   github-pages (~> 212)
-  jekyll (~> 3.9.0)
   jekyll-feed (~> 0.12)
   minima (~> 2.5)
   tzinfo (~> 1.2)