Rework systemd example #49

Job	Run time
Go tests with previous Go version	48s
Go tests on Windows	2m 23s
Build Prometheus for all architectures (0)	1m 5s
golangci-lint	16s
Go tests	48s
Build Prometheus for all architectures (1)	1m 17s
Build Prometheus for all architectures (2)	1m 3s
Build Prometheus for all architectures (3)	1m 6s
Build Prometheus for all architectures (4)	52s
Build Prometheus for all architectures (5)	1m 13s
Build Prometheus for all architectures (6)	1m 9s
Build Prometheus for all architectures (7)	1m 4s
Build Prometheus for all architectures (8)	1m 19s
Build Prometheus for all architectures (9)	1m 2s
Build Prometheus for all architectures (10)	1m 8s
Build Prometheus for all architectures (11)	1m 8s
codeql / Analyze (go)	2m 5s
Publish release artifacts	0s
Publish main branch artifacts	0s
	19m 46s

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