Add community contribution requirement

danger/roulette/Dangerfile

@@ -96,8 +96,8 @@ categories = Set.new(changes.keys - [:unknown])
 # Ensure to spin for database reviewer/maintainer when ~database is applied (e.g. to review SQL queries)
 categories << :database if helper.mr_labels.include?('database')
 
-# Ensure to spin for UX reviewer when ~UX is applied (e.g. to review changes to the UI)
-categories << :UX if helper.mr_labels.include?('UX')
+# Ensure to spin for UX reviewer for community contributions when ~UX is applied (e.g. to review changes to the UI)
+categories << :UX if helper.mr_labels.include?('UX') && ('Community contribution')
 
 # Ensure to spin for Product Intelligence reviewer when ~"product intelligence::review pending" is applied
 categories << :product_intelligence if helper.mr_labels.include?("product intelligence::review pending")