Improved this significantly based on some learnings from trying to get this in better shape
* Reduce folder enumerations significantly
* Address issue when cleanup gets backlogged and cannot enumerate all items to clean in a single job
* Remove the need to launch one job per prefix or folder name
* The only way to clean /Audits reliably seems to be emptying (with hard delete) of /Revoverable Items (parent of Audits)
* Eliminated need to control concurrency and overhead of job spin up
* Attempt to set explicit network timeout for SOAP calls to prevent long hangs being observed
NOTE: This change affect both cleanup script and the corresponding GHA workflow
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#### Does this PR need a docs update or release note?
- [ ] ✅ Yes, it's included
- [ ] 🕐 Yes, but in a later PR
- [x] ⛔ No
#### Type of change
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- [ ] 🌻 Feature
- [ ] 🐛 Bugfix
- [ ] 🗺️ Documentation
- [ ] 🤖 Test
- [x] 💻 CI/Deployment
- [ ] 🧹 Tech Debt/Cleanup
#### Issue(s)
#### Test Plan
<!-- How will this be tested prior to merging.-->
- [x] 💪 Manual
- [ ] ⚡ Unit test
- [ ] 💚 E2E