chore(dependabot): bump github.com/google/go-containerregistry from 0.20.2 to 0.20.3 #4097

Job	Run time
Wait for image build	11m 25s
E2E (watcher-enqueue)	4m 12s
E2E (kyma-deprovision-with-foreground-propagation)	4m 45s
E2E (kyma-deprovision-with-background-propagation)	5m 7s
E2E (module-status-decoupling-with-statefulset)	6m 50s
E2E (module-status-decoupling-with-deployment)	16m 18s
E2E (kyma-metrics)	5m 8s
E2E (module-without-default-cr)	4m 19s
E2E (module-consistency)	9m 5s
E2E (non-blocking-deletion)	9m 9s
E2E (upgrade-under-deletion)	6m 32s
E2E (purge-controller)	4m 38s
E2E (purge-metrics)	4m 28s
E2E (module-upgrade-channel-switch)	4m 29s
E2E (module-upgrade-new-version)	4m 32s
E2E (unmanage-module)	5m 57s
E2E (module-install-by-version)	4m 0s
E2E (skip-manifest-reconciliation)	5m 38s
E2E (ca-certificate-rotation)	4m 23s
E2E (istio-gateway-secret-rotation)	5m 5s
E2E (self-signed-certificate-rotation)	4m 46s
E2E (mandatory-module-with-old-naming-pattern)	7m 7s
E2E (mandatory-module-metrics-with-old-naming-pattern)	4m 41s
E2E (misconfigured-kyma-secret)	4m 28s
E2E (rbac-privileges)	2m 19s
E2E (ocm-compatible-module-template)	4m 18s
E2E (labelling)	4m 11s
	2h 37m 50s

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