fixed spelling entities

app/jobs/webhook_process_job.rb

@@ -43,14 +43,14 @@ class WebhookProcessJob < ActiveJob::Base
     name = entity['name']
     id   = entity['id']&.to_i
 
-    entitys = ALLOWED_ENTITIES.dup
+    entities = ALLOWED_ENTITIES.dup
     # Allow other plugins to add addtional qbo entities via Hooks
     Redmine::Hook.call_hook( :qbo_additional_entities ).each do |context|
         next unless context
-        entitys.push context
+        entities.push context
         log "Added additional QBO entities: #{context}"
     end
-    return unless entitys.include?(name)
+    return unless entities.include?(name)
 
     model = name.safe_constantize
     return unless model