Bump github.com/prometheus/client_golang from 1.20.3 to 1.20.4 #865

Job	Run time
Lint scripts	7s
Lint code	41s
Lint Helm chart	6s
Verify templating chart with default values	10s
Unit test code	35s
Test integration with Prometheus	2m 6s
Verify that Helm README is up to date	12s
Verify that Makefile section of README is up to date	6s
Build Linux binary	23s
Build Mac binary	0s
Build Windows binary	0s
Build Linux ARM binary	0s
Build Linux Docker image	34s
Build Linux ARM Docker image	0s
Test integration with Helm chart	2m 34s
Create GitHub release	0s
upload-binaries	0s
	7m 34s

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