Bump nokogiri from 1.10.5 to 1.12.5

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.10.5 to 1.12.5.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.10.5...v1.12.5)

---
updated-dependencies:
- dependency-name: nokogiri
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -81,16 +81,17 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2019.1009)
     mini_mime (1.0.2)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.13.0)
     multi_json (1.14.1)
     mustermann (1.0.3)
     mustermann-grape (1.0.0)
       mustermann (~> 1.0.0)
     nenv (0.3.0)
     newrelic_rpm (6.7.0.359)
-    nokogiri (1.10.5)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     notiffany (0.1.3)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -101,6 +102,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (4.0.1)
+    racc (1.5.2)
     rack (2.0.8)
     rack-accept (0.4.5)
       rack (>= 0.4)