Add workflow for updating release used by `start-proxy` #665

Job	Run time
Upload debug artifacts (stable-v2.20.3)	5m 59s
Upload debug artifacts (default)	6m 14s
Upload debug artifacts (linked)	6m 18s
Upload debug artifacts (nightly-latest)	6m 2s
Download and check debug artifacts	5s
	24m 38s

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