[service/telemetry] Switch to a factory pattern #19621

Job	Run time
govulncheck	40s
setup-environment	21s
lint	3m 38s
test-coverage	5m 8s
checks	1m 54s
unittest-matrix (ubuntu-latest, ~1.22)	2m 6s
unittest-matrix (ubuntu-latest, ~1.21.10)	2m 23s
cross-build-collector (darwin, amd64)	1m 2s
cross-build-collector (darwin, arm64)	51s
cross-build-collector (linux, 386)	51s
cross-build-collector (linux, amd64)	41s
cross-build-collector (linux, arm64)	47s
cross-build-collector (linux, ppc64le)	51s
cross-build-collector (linux, arm, 7)	43s
cross-build-collector (linux, s390x)	49s
cross-build-collector (windows, 386)	43s
cross-build-collector (windows, amd64)	47s
unittest	1s
	24m 16s

Provide feedback