Bump nokogiri from 1.10.1 to 1.12.5

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.10.1 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@v1.10.1...v1.12.5)

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

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

Gemfile.lock

@@ -208,7 +208,7 @@ GEM
       nokogiri (~> 1)
       rake
     mini_mime (1.0.1)
-    mini_portile2 (2.4.0)
+    mini_portile2 (2.6.1)
     mini_racer (0.4.0)
       libv8-node (~> 15.14.0.0)
     minitest (5.11.3)
@@ -221,8 +221,9 @@ GEM
       net-ssh (>= 2.6.5, < 7.0.0)
     net-ssh (6.1.0)
     nio4r (2.3.1)
-    nokogiri (1.10.1)
-      mini_portile2 (~> 2.4.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
+      racc (~> 1.4)
     oauth2 (1.4.7)
       faraday (>= 0.8, < 2.0)
       jwt (>= 1.0, < 3.0)
@@ -252,6 +253,7 @@ GEM
     puma (3.12.0)
     pundit (2.1.0)
       activesupport (>= 3.0.0)
+    racc (1.5.2)
     rack (2.0.6)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)