Bump nokogiri from 1.16.5 to 1.18.3 in /updater

Bumps [nokogiri](https://github.com/sparklemotion/nokogiri) from 1.16.5 to 1.18.3.
- [Release notes](https://github.com/sparklemotion/nokogiri/releases)
- [Changelog](https://github.com/sparklemotion/nokogiri/blob/v1.18.3/CHANGELOG.md)
- [Commits](sparklemotion/nokogiri@v1.16.5...v1.18.3)

---
updated-dependencies:
- dependency-name: nokogiri
  dependency-type: direct:production
...

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

updater/Gemfile.lock

@@ -255,11 +255,11 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2022.0105)
     mini_mime (1.1.5)
-    mini_portile2 (2.8.6)
+    mini_portile2 (2.8.8)
     multi_xml (0.7.1)
       bigdecimal (~> 3.1)
     netrc (0.11.0)
-    nokogiri (1.16.5)
+    nokogiri (1.18.3)
       mini_portile2 (~> 2.8.2)
       racc (~> 1.4)
     octokit (7.2.0)