Bump nokogiri from 1.18.7 to 1.18.8

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.18.7 to 1.18.8.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.18.7...v1.18.8)

---
updated-dependencies:
- dependency-name: nokogiri
  dependency-version: 1.18.8
  dependency-type: indirect
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Gemfile.lock

@@ -59,6 +59,7 @@ GEM
     faraday-net_http (3.4.0)
       net-http (>= 0.5.0)
     ffi (1.17.1-aarch64-linux-musl)
+    ffi (1.17.1-x86_64-linux-gnu)
     fiber-annotation (0.2.0)
     fiber-local (1.1.0)
       fiber-storage
@@ -263,7 +264,9 @@ GEM
     minitest (5.25.5)
     net-http (0.6.0)
       uri
-    nokogiri (1.18.7-aarch64-linux-musl)
+    nokogiri (1.18.8-aarch64-linux-musl)
+      racc (~> 1.4)
+    nokogiri (1.18.8-x86_64-linux-gnu)
       racc (~> 1.4)
     octokit (4.25.1)
       faraday (>= 1, < 3)
@@ -317,6 +320,7 @@ GEM
 
 PLATFORMS
   aarch64-linux-musl
+  x86_64-linux
 
 DEPENDENCIES
   github-pages