Bump nokogiri from 1.11.7 to 1.12.5 (#894)

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.11.7 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@v1.11.7...v1.12.5)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -530,7 +530,7 @@ GEM
     mime-types-data (3.2019.1009)
     mini_magick (4.10.1)
     mini_mime (1.0.2)
-    mini_portile2 (2.5.3)
+    mini_portile2 (2.6.1)
     minitest (5.14.0)
     multi_json (1.14.1)
     multi_xml (0.6.0)
@@ -548,8 +548,8 @@ GEM
     noid-rails (3.0.1)
       actionpack (>= 5.0.0, < 6)
       noid (~> 0.9)
-    nokogiri (1.11.7)
-      mini_portile2 (~> 2.5.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
       racc (~> 1.4)
     nokogumbo (2.0.2)
       nokogiri (~> 1.8, >= 1.8.4)
@@ -583,7 +583,7 @@ GEM
       nokogiri (~> 1.6)
       rails (~> 5.0)
       rdf
-    racc (1.5.2)
+    racc (1.6.0)
     rack (2.2.2)
     rack-protection (2.0.8.1)
       rack