echo image exists output #1693

Job	Run time
build-rqlite	4s
generate-tag	5s
build-minio	4s
image-deps-updater	22s
build-dex	5s
kurl-addon-changes-filter	6s
build-kotsadm-migrations	20s
build-kurl-proxy	3m 7s
build-web	2m 27s
build-kotsadm	8m 18s
generate-kots-release-notes-pr	0s
Run regression testing	5s
build-kots	2m 4s
goreleaser	0s
build-release	5s
generate-kurl-addon	0s
build-airgap	0s
publish-kurl-addon	0s
validate-kurl-addon	0s
regression-test	0s
	17m 12s

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