feat(workspace-backup): Backup to Azure blob storage #1151

Job	Run time
Collect changes / collect-changes	8s
Python tests / unit-tests (py313)	2m 20s
Python tests / unit-tests (py314)	2m 21s
Python tests / unit-tests (py312)	2m 12s
Python tests / unit-tests (py310)	2m 57s
Python tests / unit-tests (py311)	3m 1s
Python tests / lint-and-format-check	10s
Python tests / types-check	1m 32s
status-check	3s
	14m 44s

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