Deprecate component_test in favor of metadatatest #25986

Job	Run time
govulncheck	33s
setup-environment	10s
unittest-matrix (ubuntu-latest, ~1.23)	2m 22s
checks	2m 7s
unittest-matrix (ubuntu-latest, ~1.22)	2m 24s
lint	4m 24s
cross-build-collector (darwin, amd64)	40s
test-coverage	6m 23s
cross-build-collector (darwin, arm64)	53s
cross-build-collector (linux, 386)	41s
cross-build-collector (linux, amd64)	45s
cross-build-collector (linux, arm64)	42s
cross-build-collector (linux, ppc64le)	43s
cross-build-collector (linux, arm, 7)	51s
cross-build-collector (linux, s390x)	46s
cross-build-collector (windows, 386)	46s
cross-build-collector (windows, amd64)	48s
unittest	1s
	25m 59s

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