chore: Prevent references to images from main on release-branch #3052

Job	Run time
setup	2m 0s
e2e-experimental (logs)	2m 49s
e2e-experimental (metrics)	2m 40s
e2e-istio	6m 55s
e2e (logs)	9m 19s
e2e-experimental (traces)	2m 53s
e2e-self-mon (logs, healthy)	3m 40s
e2e (metrics && set_a)	9m 31s
e2e-self-mon (logs, backpressure)	6m 10s
e2e (metrics && set_b)	7m 44s
e2e-self-mon (logs, outage)	6m 39s
e2e (traces)	5m 17s
e2e-self-mon (metrics, healthy)	3m 46s
e2e (telemetry)	6m 27s
e2e-self-mon (metrics, backpressure)	8m 39s
e2e (max-pipeline)	2m 35s
e2e-self-mon (metrics, outage)	9m 12s
e2e (telemetry-log-analysis)	9m 45s
e2e-self-mon (traces, healthy)	3m 42s
e2e-self-mon (traces, backpressure)	6m 9s
e2e-self-mon (traces, outage)	8m 38s
	2h 4m 30s

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