Update module github.com/prometheus/client_golang to v1.20.5 #2189

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PipelineRun: <a href="https://console.redhat.com/application-pipeline/ns/konflux-jbs-pnc-tenant/pipelinerun/cli-on-pull-request-nlgw7" rel="nofollow">cli-on-pull-request-nlgw7

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Status	Duration	Name
✅ Succeeded	5 seconds	init
✅ Succeeded	16 seconds	clone-repository
✅ Succeeded	2 minutes	build-container
✅ Succeeded	10 seconds	deprecated-base-image-check
✅ Succeeded	29 seconds	ecosystem-cert-preflight-checks
✅ Succeeded	48 seconds	clair-scan
✅ Succeeded	11 seconds	push-dockerfile
✅ Succeeded	8 seconds	apply-tags
✅ Succeeded	38 seconds	sast-snyk-check
✅ Succeeded	3 minutes	clamav-scan
✅ Succeeded	8 seconds	show-sbom
✅ Succeeded	13 seconds	show-summary