Build Image: Bump atc0005/go-ci from go-ci-oldstable-build-v0.21.8 to go-ci-oldstable-build-v0.21.9 in /dependabot/docker/builds #781

Job	Run time
Go Module Validation / Assert PR branch is ahead	7s
Dependency Updates / Assert PR branch is ahead	6s
Lint / Assert PR branch is ahead	6s
Vulnerability / Assert PR branch is ahead	4s
Vulnerability / govulncheck	20s
Lint / Lint Markdown files	7s
Lint / Lint Dockerfiles	8s
Go Module Validation / Look for missing go.mod changes	17s
Go Module Validation / Look for missing vendored dependencies	28s
Dependency Updates / Look for available minor or patch releases	30s
	2m 13s

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