Fix image link (#5459) #1297

Job	Run time
artifacts (ghcr.io/pipe-cd, helloworld)	6m 45s
artifacts (ghcr.io/pipe-cd, launcher)	8m 51s
artifacts (ghcr.io/pipe-cd, launcher-okd)	8m 50s
artifacts (ghcr.io/pipe-cd, pipecd)	20m 55s
artifacts (ghcr.io/pipe-cd, piped)	19m 45s
artifacts (ghcr.io/pipe-cd, piped-okd)	19m 14s
artifacts (ghcr.io/pipe-cd, pipectl)	6m 59s
artifacts (gcr.io/pipecd, helloworld)	7m 15s
artifacts (gcr.io/pipecd, launcher)	8m 38s
artifacts (gcr.io/pipecd, piped)	19m 32s
release-quickstart-manifests	0s
	2h 6m 44s

Provide feedback