Bump nokogiri from 1.15.3 to 1.15.5

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.15.3 to 1.15.5.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.15.3...v1.15.5)

---
updated-dependencies:
- dependency-name: nokogiri
  dependency-type: indirect
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -137,14 +137,14 @@ GEM
     mime-types-data (3.2023.0808)
     mini_portile2 (2.8.5)
     minitest (5.20.0)
-    nokogiri (1.15.3)
+    nokogiri (1.15.5)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.15.3-arm64-darwin)
+    nokogiri (1.15.5-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.15.3-x86_64-darwin)
+    nokogiri (1.15.5-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.15.3-x86_64-linux)
+    nokogiri (1.15.5-x86_64-linux)
       racc (~> 1.4)
     padrino-helpers (0.15.3)
       i18n (>= 0.6.7, < 2)