[chore] Replace checkdoc by checkfile #13969

Job	Run time
govulncheck	2m 19s
govulncheck	2m 19s
setup-environment	34s
setup-environment	34s
lint	4m 37s
lint	4m 37s
checks	3m 6s
checks	3m 6s
test-coverage	4m 39s
test-coverage	4m 39s
cross-build-collector (darwin, amd64)	1m 3s
cross-build-collector (darwin, amd64)	1m 3s
cross-build-collector (darwin, arm64)	1m 33s
cross-build-collector (darwin, arm64)	1m 33s
cross-build-collector (linux, 386)	1m 20s
cross-build-collector (linux, 386)	1m 20s
cross-build-collector (linux, amd64)	1m 15s
cross-build-collector (linux, amd64)	1m 15s
cross-build-collector (linux, arm64)	1m 39s
cross-build-collector (linux, arm64)	1m 39s
cross-build-collector (linux, ppc64le)	1m 35s
cross-build-collector (linux, ppc64le)	1m 35s
cross-build-collector (linux, arm, 7)	1m 5s
cross-build-collector (linux, arm, 7)	1m 5s
cross-build-collector (windows, 386)	1m 3s
cross-build-collector (windows, 386)	1m 3s
cross-build-collector (windows, amd64)	1m 41s
cross-build-collector (windows, amd64)	1m 41s
unittest (1.20)	4m 43s
unittest (1.20)	3m 8s
unittest (1.19)	4m 32s
unittest (1.19)	3m 11s
	1h 10m 32s

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