chore: bump github.com/onsi/ginkgo/v2 from 2.20.2 to 2.21.0 #2581

Job	Run time
setup	2m 1s
e2e-dev (logs)	5m 23s
e2e (logs)	10m 22s
e2e-dev (metrics)	5m 20s
e2e-istio	9m 29s
e2e-self-mon (logs, healthy)	6m 12s
e2e (metrics && set_a)	11m 28s
e2e-dev (traces)	5m 7s
e2e-self-mon (logs, backpressure)	9m 13s
e2e (metrics && set_b)	9m 44s
e2e-self-mon (logs, outage)	9m 13s
e2e (traces)	8m 14s
e2e-self-mon (metrics, healthy)	6m 12s
e2e (telemetry)	6m 40s
e2e-self-mon (metrics, backpressure)	10m 42s
e2e (max-pipeline)	5m 20s
e2e-self-mon (metrics, outage)	11m 11s
e2e (telemetry-log-analysis)	12m 31s
e2e-self-mon (traces, healthy)	6m 19s
e2e-self-mon (traces, backpressure)	8m 12s
e2e-self-mon (traces, outage)	11m 11s
	2h 50m 4s

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