Move MicroCloud to microcluster v2 #1443

Job	Run time
Code	2m 11s
System (1.22.x, add)	11m 17s
System (1.22.x, instances)	15m 44s
System (1.22.x, basic)	17m 4s
System (1.22.x, recover)	15m 38s
System (1.22.x, interactive)	24m 31s
System (1.22.x, mismatch)	17m 9s
System (1.22.x, preseed)	32m 38s
documentation-checks / Run documentation checks	1m 12s
Trigger snap edge build	0s
	2h 17m 24s

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