chore: bump github.com/prometheus/client_golang from 1.20.0 to 1.20.1 #1665

Job	Run time
e2e (logs)	11m 45s
e2e-dev (logs)	6m 39s
e2e (metrics)	13m 52s
e2e-istio	11m 17s
e2e-dev (metrics)	7m 21s
e2e (traces)	9m 24s
e2e-dev (traces)	6m 34s
e2e-self-mon (logs, healthy)	7m 29s
e2e-self-mon (logs, backpressure)	9m 26s
e2e-self-mon (logs, outage)	10m 56s
e2e (telemetry)	8m 10s
e2e-self-mon (metrics, healthy)	7m 27s
e2e (max-pipeline)	6m 29s
e2e-self-mon (metrics, backpressure)	11m 56s
e2e (telemetry-log-analysis)	13m 32s
e2e-self-mon (metrics, outage)	12m 24s
e2e-self-mon (traces, healthy)	7m 27s
e2e-self-mon (traces, backpressure)	8m 26s
e2e-self-mon (traces, outage)	12m 58s
PR-Integration-Success	1s
	3h 3m 33s

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