Merge pull request #3174 from github/mbg/fix/start-proxy-matrix #1591

Job	Run time
Upload debug artifacts after failure in analyze (nightly-latest)	3m 10s
Upload debug artifacts after failure in analyze (linked)	3m 19s
Upload debug artifacts after failure in analyze (default)	3m 24s
Upload debug artifacts after failure in analyze (stable-v2.20.3)	1m 49s
Download and check debug artifacts after failure in analyze	12s
	11m 54s

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