Bump nokogiri in /assembly/config in the ruby-deps group

Bumps the ruby-deps group in /assembly/config with 1 update: [nokogiri](https://github.com/sparklemotion/nokogiri).


Updates `nokogiri` from 1.18.10 to 1.19.0
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/main/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.18.10...v1.19.0)

---
updated-dependencies:
- dependency-name: nokogiri
  dependency-version: 1.19.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: ruby-deps
...

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

Author: dependabot[bot]

assembly/config/Gemfile.lock

@@ -2,7 +2,7 @@ GEM
   remote: https://rubygems.org/
   specs:
     mini_portile2 (2.8.9)
-    nokogiri (1.18.10)
+    nokogiri (1.19.0)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     racc (1.8.1)