fix TestLocalArtifactMirror and TestCommandsRequireSudo #4599

Job	Run time
Git SHA	4s
Build buildtools	47s
Dryrun tests	49s
Check operator CRDs	30s
Integration tests (kind)	2m 24s
Sanitize	3m 33s
Unit tests	2m 17s
Determine previous stable version	3s
Build previous k0s	6m 42s
Build current	6m 18s
Build legacy DR	6m 21s
Build upgrade	6m 10s
Export version specifier	3s
Integration tests	1s
Check images	0s
Create app releases	1s
E2E	1s
E2E (on merge)	1s
E2E docker	1s
Validate success	1s
	36m 7s

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