Bump github.com/prometheus/client_golang from 1.20.3 to 1.20.4 (#357) #868

Job	Run time
Lint Helm chart	8s
Lint scripts	3s
Lint code	38s
Verify templating chart with default values	6s
Unit test code	4m 12s
Test integration with Prometheus	2m 6s
Verify that Helm README is up to date	23s
Verify that Makefile section of README is up to date	3s
Build Linux binary	40s
Build Linux ARM binary	0s
Build Windows binary	0s
Build Mac binary	0s
Build Linux Docker image	30s
Build Linux ARM Docker image	0s
Test integration with Helm chart	2m 32s
Create GitHub release	0s
upload-binaries	0s
	11m 21s

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