feat(workspace-backup): Backup to Azure blob storage #1154

Job	Run time
Collect changes / collect-changes	10s
Python tests / lint-and-format-check	15s
Python tests / types-check	1m 46s
Python tests / unit-tests (py314)	2m 19s
Python tests / unit-tests (py311)	3m 0s
Python tests / unit-tests (py310)	2m 54s
Python tests / unit-tests (py312)	2m 30s
Python tests / unit-tests (py313)	2m 20s
status-check	3s
	15m 17s

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