Use my repo by default for the cirros image #627

Job	Run time
Golangci Lint	23s
Build image	4m 50s
Linters	1m 50s
drenv tests (3.9)	2m 5s
drenv tests (3.10)	1m 44s
drenv tests (3.11)	1m 40s
Unit tests	9m 16s
ramenctl tests (3.9)	23s
ramenctl tests (3.10)	20s
ramenctl tests (3.11)	19s
Check artifacts and operator deployment (1.20.7)	3m 2s
Publish built image	0s
	25m 52s

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