feat: Add support for labels in automations (#11658)

- Add support for using labels as an action event for automation
 - Fix duplicated conversation_updated event dispatch for labels
 

Fixes https://github.com/chatwoot/chatwoot/issues/8539 and multiple
issues around duplication related to label change events.
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Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

app/javascript/dashboard/composables/useAutomationValues.js

@@ -104,6 +104,7 @@ export default function useAutomationValues() {
       contacts: contacts.value,
       customAttributes: getters['attributes/getAttributes'].value,
       inboxes: inboxes.value,
+      labels: labels.value,
       statusFilterOptions: statusFilterOptions.value,
       priorityOptions: priorityOptions.value,
       messageTypeOptions: messageTypeOptions.value,