Merge pull request #5760 from wbc6080/change-api-refer #56

Job	Run time
Prepare kubeedge/build-tools image	1m 14s
Verify vendor, licenses, do lint	6m 31s
Unit test, integration test edge	8m 48s
container runtime e2e test (isulad)	5m 41s
Multiple docker image build	23m 40s
container runtime e2e test (cri-o)	5m 57s
container runtime e2e test (docker)	5m 58s
Keadm e2e test	7m 54s
conformance e2e test	33m 21s
Multiple build	15m 10s
Keadm deprecated e2e test	30m 14s
E2e test (WebSocket, v1.29.0)	11m 36s
E2e test (WebSocket, v1.28.0)	10m 26s
E2e test (WebSocket, v1.27.0)	13m 38s
E2e test (QUIC, v1.29.0)	13m 11s
E2e test (QUIC, v1.28.0)	11m 16s
E2e test (QUIC, v1.27.0)	11m 56s
	3h 36m 31s

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