Build Image: Bump atc0005/go-ci from go-ci-oldstable-build-v0.21.9 to go-ci-oldstable-build-v0.21.12 in /dependabot/docker/builds #597

Job	Run time
Lint / Assert PR branch is ahead	4s
Dependency Updates / Assert PR branch is ahead	5s
Go Module Validation / Assert PR branch is ahead	7s
Vulnerability / Assert PR branch is ahead	6s
Dependency Updates / Look for available minor or patch releases	21s
Vulnerability / govulncheck	21s
Go Module Validation / Look for missing vendored dependencies	17s
Go Module Validation / Look for missing go.mod changes	18s
Lint / Lint Dockerfiles	8s
Lint / Lint Markdown files	8s
	1m 55s

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