chore: Move self-monitor build to the repo #1997

Job	Run time
check-changed-files	6s
e2e (logs)	16m 1s
e2e (metrics)	15m 58s
e2e (traces)	15m 59s
e2e (telemetry)	16m 7s
e2e (max-pipeline)	16m 1s
e2e-dev (logs)	15m 54s
e2e (telemetry-log-analysis)	15m 45s
e2e-dev (metrics)	15m 53s
e2e-dev (traces)	16m 0s
e2e-istio	16m 9s
e2e-self-mon (logs, healthy)	16m 5s
e2e-self-mon (logs, backpressure)	16m 16s
e2e-self-mon (logs, outage)	15m 57s
e2e-self-mon (metrics, healthy)	15m 54s
e2e-self-mon (metrics, backpressure)	15m 51s
e2e-self-mon (metrics, outage)	16m 8s
e2e-self-mon (traces, healthy)	15m 53s
e2e-self-mon (traces, backpressure)	16m 6s
e2e-self-mon (traces, outage)	15m 59s
	5h 4m 2s

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