refactor: simplify version management #7

Job	Run time
get-version	6s
build-and-push-images (cds-go-dev-1.24-debian, cds-containers/go-dev-1.24-debian, Go 1.24 develop...	3m 21s
build-and-push-images (cds-grafana-backup-tool, cds-containers/grafana-backup-tool, Grafana backu...	27s
build-and-push-images (cds-tools, cds-containers/tools, CDS tools container with Bazel, Terraform...	2m 14s
build-and-push-images (cds-go-dev-1.24-alpine, cds-containers/go-dev-1.24-alpine, Go 1.24 develop...	3m 3s
summary	3s
test-tools-image	0s
test-go-dev-image	0s
	9m 14s

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