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

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Status	Duration	Name
✅ Succeeded	7 seconds	init
✅ Succeeded	23 seconds	clone-repository
✅ Succeeded	3 minutes	build-container
✅ Succeeded	2 minutes	sast-snyk-check
✅ Succeeded	9 seconds	deprecated-base-image-check
✅ Succeeded	48 seconds	clair-scan
✅ Succeeded	7 seconds	push-dockerfile
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✅ Succeeded	15 seconds	apply-tags
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✅ Succeeded	17 seconds	show-summary