chore(deps): bump nokogiri from 1.18.3 to 1.18.4 in /docs (#952)

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.18.3 to 1.18.4.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.18.3...v1.18.4)

---
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>

Author: dependabot[bot]

docs/Gemfile.lock

@@ -87,24 +87,24 @@ GEM
     mini_portile2 (2.8.8)
     net-http (0.4.1)
       uri
-    nokogiri (1.18.3)
+    nokogiri (1.18.4)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
-    nokogiri (1.18.3-aarch64-linux-gnu)
+    nokogiri (1.18.4-aarch64-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.18.3-aarch64-linux-musl)
+    nokogiri (1.18.4-aarch64-linux-musl)
       racc (~> 1.4)
-    nokogiri (1.18.3-arm-linux-gnu)
+    nokogiri (1.18.4-arm-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.18.3-arm-linux-musl)
+    nokogiri (1.18.4-arm-linux-musl)
       racc (~> 1.4)
-    nokogiri (1.18.3-arm64-darwin)
+    nokogiri (1.18.4-arm64-darwin)
       racc (~> 1.4)
-    nokogiri (1.18.3-x86_64-darwin)
+    nokogiri (1.18.4-x86_64-darwin)
       racc (~> 1.4)
-    nokogiri (1.18.3-x86_64-linux-gnu)
+    nokogiri (1.18.4-x86_64-linux-gnu)
       racc (~> 1.4)
-    nokogiri (1.18.3-x86_64-linux-musl)
+    nokogiri (1.18.4-x86_64-linux-musl)
       racc (~> 1.4)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)