Upgrade go-qcow2reader to v0.2.0 #5977

Job	Run time
Colima (v0.6.5)	8m 17s
Integration tests	17m 30s
Integration tests (on Linux) (alpine.yaml)	6m 49s
Integration tests (on Linux) (debian.yaml)	6m 54s
Lints	3m 32s
Integration tests (on Linux) (fedora.yaml)	7m 18s
Integration tests (on Linux) (opensuse.yaml)	9m 24s
Spell check	12s
Integration tests (on Linux) (docker.yaml)	12m 29s
Unit tests (1.22.x)	5m 53s
Integration tests (on Linux) (../hack/test-templates/alpine-iso-9p-writable.yaml)	6m 20s
Unit tests (1.23.x)	5m 29s
VMNet test	17m 28s
Integration tests (on Linux) (../hack/test-templates/net-user-v2.yaml)	8m 20s
Integration tests (on Linux) (../hack/test-templates/test-misc.yaml)	20m 13s
Windows tests	7m 46s
Upgrade test (v0.15.1)	20m 55s
vz (default.yaml)	14m 49s
vz (fedora.yaml)	13m 40s
	3h 13m 18s

Provide feedback