Bump nokogiri from 1.13.4 to 1.16.2 in /examples/simple_rails_api

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.13.4 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@v1.13.4...v1.16.2)

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

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

examples/simple_rails_api/Gemfile.lock

@@ -79,16 +79,16 @@ GEM
     marcel (1.0.2)
     method_source (1.0.0)
     mini_mime (1.1.1)
-    mini_portile2 (2.8.0)
+    mini_portile2 (2.8.5)
     minitest (5.14.4)
     msgpack (1.4.2)
     nio4r (2.5.8)
-    nokogiri (1.13.4)
-      mini_portile2 (~> 2.8.0)
+    nokogiri (1.16.2)
+      mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     puma (4.3.12)
       nio4r (~> 2.0)
-    racc (1.6.0)
+    racc (1.7.3)
     rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)