Bump github.com/google/go-containerregistry from 0.19.2 to 0.20.0 #3408

Job	Run time
e2e (v1.27.11)	36m 24s
test-docker-build (base)	35s
e2e (v1.29.2)	34m 47s
unit	3m 14s
test-docker-build (git)	1m 6s
integration (v1.27.11)	23m 34s
test-docker-build (image-processing)	51s
integration (v1.29.2)	23m 6s
test-docker-build (waiter)	34s
	2h 4m 11s

Provide feedback