Add workaround to sleep after connect #42

Job	Run time
golangci-lint	17s
Go tests	49s
Build Prometheus for all architectures (0)	1m 11s
Go tests with previous Go version	2m 10s
Build Prometheus for all architectures (1)	1m 17s
Build Prometheus for all architectures (2)	54s
Go tests on Windows	2m 17s
Build Prometheus for all architectures (3)	1m 10s
Build Prometheus for all architectures (4)	56s
Build Prometheus for all architectures (5)	1m 13s
Build Prometheus for all architectures (6)	1m 16s
Build Prometheus for all architectures (7)	54s
Build Prometheus for all architectures (8)	1m 13s
Build Prometheus for all architectures (9)	1m 1s
Build Prometheus for all architectures (10)	1m 17s
Build Prometheus for all architectures (11)	1m 11s
codeql / Analyze (go)	1m 58s
Publish release artifacts	0s
Publish main branch artifacts	0s
	21m 4s

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