text: Title: Upgrade MongoDB to v6.x  
  Body: ## SUMMARY
  
  MongoDB V4.4 is EOL in Feb 2024 (as per https://www.mongodb.com/support-policy/lifecycles ). It would be nice to have a version upgrade to V5.x.
  
  Background:
  We are using external MongoDB provided by our internal DB team. They started upgrading the DBs from the previous version to v5.x. DBs used by Stackstorm are currently on an exemption list as we want to stay close to OS implementation. 
  
  Thanks!
  