fix(ci): separate migration-job deployments #826

Job	Run time
Check for changes / Filter	4s
Get current version / Filter	5s
Generate git short sha / Generate git short sha	5s
build / build-and-test	1m 14s
build-infrastructure / Build infrastructure for test	37s
dry-run-deploy-infra / Deploy to test	1m 7s
	3m 12s

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