Bump nokogiri from 1.10.9 to 1.12.5

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.10.9 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@v1.10.9...v1.12.5)

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

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

Gemfile.lock

@@ -219,7 +219,7 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mini_mime (1.0.0)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     minitest (5.14.0)
     momentjs-rails (2.20.1)
       railties (>= 3.1)
@@ -230,8 +230,9 @@ GEM
     nenv (0.3.0)
     netrc (0.11.0)
     nio4r (2.2.0)
-    nokogiri (1.10.9)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     notiffany (0.1.1)
       nenv (~> 0.1)
       shellany (~> 0.0)
@@ -269,6 +270,7 @@ GEM
     public_suffix (3.0.2)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
+    racc (1.6.0)
     rack (2.2.3.1)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)