[release-0.5] Fix stage event object #6425

Job	Run time
test-kwok-e2e	3m 29s
test-kwok (kwok)	2m 29s
test-build (docker)	1m 18s
test-kwok (kwok-with-cni)	6m 17s
test-kwokctl (windows-latest, binary)	17m 32s
test-build (nerdctl)	1m 34s
test-kwokctl (macos-13, binary)	21m 53s
test-build (podman)	1m 5s
test-kwokctl (macos-13, docker)	6m 44s
test-kwokctl (macos-13, kind)	7m 39s
test-kwokctl (macos-14, binary)	22m 38s
test-kwokctl (ubuntu-latest, binary)	45m 5s
test-kwokctl (ubuntu-latest, docker)	34m 48s
test-kwokctl (ubuntu-latest, podman)	55m 43s
test-kwokctl (ubuntu-latest, kind)	18m 40s
test-kwokctl (ubuntu-latest, kind-podman)	1h 7m 38s
test-kwokctl (ubuntu-latest, nerdctl)	26m 4s
	5h 40m 36s

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