add Cgroup runtime extension component #978

Job	Run time
Continuous Integration - Contrib - GoReleaser / check-goreleaser (linux, 386)	6m 31s
Continuous Integration - Contrib - GoReleaser / check-goreleaser (linux, amd64)	7m 3s
Continuous Integration - Contrib - GoReleaser / check-goreleaser (linux, arm64)	6m 56s
Continuous Integration - Contrib - GoReleaser / check-goreleaser (linux, ppc64le)	7m 19s
Continuous Integration - Contrib - GoReleaser / check-goreleaser (linux, arm)	6m 21s
Continuous Integration - Contrib - GoReleaser / check-goreleaser (linux, s390x)	7m 4s
Continuous Integration - Contrib - GoReleaser / check-goreleaser (windows, 386)	6m 29s
Continuous Integration - Contrib - GoReleaser / check-goreleaser (windows, amd64)	7m 9s
Continuous Integration - Contrib - GoReleaser / check-goreleaser (windows, ppc64le)	53s
Continuous Integration - Contrib - GoReleaser / check-goreleaser (darwin, amd64)	6m 56s
Continuous Integration - Contrib - GoReleaser / check-goreleaser (darwin, arm64)	7m 1s
Continuous Integration - Contrib - GoReleaser / check-goreleaser (darwin, ppc64le)	52s
MSI tests / MSI Tests (msi)	40s
Package tests / Package Tests (deb)	22s
Package tests / Package Tests (rpm)	44s
Package tests / Create GitHub Issue	0s
	1h 12m 20s

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