Refactor wait plugin: rename package and file (#5462) #1301

Job	Run time
artifacts (ghcr.io/pipe-cd, helloworld)	6m 55s
artifacts (ghcr.io/pipe-cd, launcher)	8m 52s
artifacts (ghcr.io/pipe-cd, launcher-okd)	8m 34s
artifacts (ghcr.io/pipe-cd, pipecd)	20m 30s
artifacts (ghcr.io/pipe-cd, piped)	19m 48s
artifacts (ghcr.io/pipe-cd, piped-okd)	19m 25s
artifacts (ghcr.io/pipe-cd, pipectl)	6m 58s
artifacts (gcr.io/pipecd, helloworld)	7m 27s
artifacts (gcr.io/pipecd, launcher)	8m 56s
artifacts (gcr.io/pipecd, piped)	19m 24s
release-quickstart-manifests	0s
	2h 6m 49s

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