Classify third-party upload `SyntaxError`s as configuration errors #3011

Job	Run time
Upload debug artifacts (stable-20221211)	9m 20s
Upload debug artifacts (stable-20230418)	5m 3s
Upload debug artifacts (stable-v2.13.5)	6m 20s
Upload debug artifacts (stable-v2.14.6)	7m 24s
Upload debug artifacts (default)	6m 23s
Upload debug artifacts (latest)	7m 30s
Upload debug artifacts (nightly-latest)	6m 46s
Download and check debug artifacts	1m 33s
	50m 19s

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