Bump nokogiri from 1.15.4 to 1.16.2 in /rails

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.15.4 to 1.16.2.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.15.4...v1.16.2)

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

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

Author: dependabot[bot]

rails/Gemfile.lock

@@ -110,15 +110,15 @@ GEM
     net-smtp (0.3.3)
       net-protocol
     nio4r (2.7.0)
-    nokogiri (1.15.4-aarch64-linux)
+    nokogiri (1.16.2-aarch64-linux)
       racc (~> 1.4)
-    nokogiri (1.15.4-arm64-darwin)
+    nokogiri (1.16.2-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.15.4-x86_64-linux)
+    nokogiri (1.16.2-x86_64-linux)
       racc (~> 1.4)
     puma (5.6.8)
       nio4r (~> 2.0)
-    racc (1.7.1)
+    racc (1.7.3)
     rack (2.2.8)
     rack-test (2.1.0)
       rack (>= 1.3)