Build Image: Bump atc0005/go-ci from go-ci-unstable-build-v0.21.11 to go-ci-unstable-build-v0.21.12 in /dependabot/docker/builds #555

Job	Run time
CI matrix / Assert PR branch is ahead	8s
Makefile / Assert PR branch is ahead	7s
Makefile / Build codebase using Makefile quick recipe	55s
Makefile / Lint codebase using Makefile	0s
Makefile / Build codebase using Makefile all recipe	0s
CI matrix / Evaluate loopvar scoping changes	47s
CI matrix / Build codebase (go-ci-oldstable, false)	52s
CI matrix / Build codebase (go-ci-stable, false)	42s
CI matrix / Build codebase (go-ci-unstable, true)	40s
CI matrix / Lint codebase (go-ci-oldstable, false)	45s
CI matrix / Lint codebase (go-ci-stable, false)	49s
CI matrix / Lint codebase (go-ci-unstable, true)	40s
CI matrix / Run tests (go-ci-oldstable, false)	40s
CI matrix / Run tests (go-ci-stable, false)	45s
CI matrix / Run tests (go-ci-unstable, true)	43s
CI matrix / Optional Linting / Assert PR branch is ahead	4s
CI matrix / Optional Linting / Lint codebase using optional linters (go-ci-oldstable, true)	44s
CI matrix / Optional Linting / Lint codebase using optional linters (go-ci-stable, true)	41s
CI matrix / Optional Linting / Lint codebase using optional linters (go-ci-unstable, true)	39s
	10m 41s

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