feat: workload labels #2856

Job	Run time
golangci-lint	3m 23s
conform	18s
bin	7m 27s
e2e-testruns	1m 22s
test	5m 34s
test-export-gcm	2m 8s
test-script-gcm	1m 15s
validate	5m 59s
e2e-test (^TestAlertmanager$)	6m 0s
e2e-test (^TestTLS$)	11m 1s
e2e-test (^TestBasicAuthNoPassword$)	9m 30s
e2e-test (^TestBasicAuthNoUsername$)	11m 30s
e2e-test (^TestBasicAuth$)	11m 19s
e2e-test (^TestAuthNoCredentials$)	11m 21s
e2e-test (^TestAuth$)	11m 53s
e2e-test (^TestOAuth2NoSecret$)	11m 2s
e2e-test (^TestOAuth2$)	10m 44s
e2e-test (^TestCollectorPodMonitoring$)	7m 25s
e2e-test (^TestCollectorClusterPodMonitoring$)	7m 12s
e2e-test (^TestCollectorKubeletScraping$)	5m 51s
e2e-test (^TestRuleEvaluatorNoCompression$)	6m 2s
e2e-test (^TestRuleEvaluatorGzipCompression$)	5m 57s
e2e-test (^TestWebhooksNoRBAC$)	5m 51s
	2h 40m 4s

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