chore(github_hooks): fix security vunerability

Author: hamir-suspect

github_hooks/Gemfile

@@ -34,7 +34,7 @@ gem "sentry-rails"
 gem "sentry-sidekiq"
 
 gem "sprockets", "< 4"
-gem "nokogiri", "~> 1.18.8"
+gem "nokogiri", "~> 1.18.9"
 
 gem "rt-watchman", :require => "watchman", :github => "renderedtext/watchman", :ref => "74530687a232aea678b6738114c82dfc163657cd"
 gem "rt-logman", :require => "logman"