feat: Testground tooling #2725

Job	Run time
goreleaser-check	4s
branch_name	1s
lint / golangci-lint	2m 9s
markdown-linter / markdown-lint	8s
lint / yamllint	10s
markdown-linter / markdown-link-check	1m 59s
test / test	11m 29s
test / test-coverage	3m 18s
test / test-short	2m 3s
test / test-fuzz	12m 28s
test / test-race	5m 51s
lint / hadolint / hadolint	10s
version_bump	0s
goreleaser	0s
	39m 50s

Provide feedback