Bump nokogiri from 1.11.7 to 1.12.5

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: direct:production
...

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

Gemfile.lock

@@ -182,14 +182,14 @@ GEM
       nokogiri (~> 1)
       rake
     mini_mime (1.1.0)
-    mini_portile2 (2.5.3)
+    mini_portile2 (2.6.1)
     mini_racer (0.4.0)
       libv8-node (~> 15.14.0.0)
     minitest (5.14.4)
     multipart-post (2.1.1)
     nio4r (2.5.7)
-    nokogiri (1.11.7)
-      mini_portile2 (~> 2.5.0)
+    nokogiri (1.12.5)
+      mini_portile2 (~> 2.6.1)
       racc (~> 1.4)
     oai (1.1.0)
       builder (>= 3.1.0)