docker: bump atc0005/go-ci from go-ci-oldstable-alpine-buildx64-v0.13.3 to go-ci-oldstable-alpine-buildx64-v0.13.4 in /dependabot/docker/builds/alpine/x64 #301

Job	Run time
Dependency Updates / Assert PR branch is ahead	4s
Lint / Assert PR branch is ahead	5s
Vulnerability / Assert PR branch is ahead	4s
Go Module Validation / Assert PR branch is ahead	5s
Vulnerability / govulncheck	1m 30s
Dependency Updates / Look for available minor or patch releases	24s
Go Module Validation / Look for missing vendored dependencies	17s
Go Module Validation / Look for missing go.mod changes	22s
Lint / Lint Dockerfiles	11s
Lint / Lint Markdown files	10s
	3m 12s

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