init-action: save updated config #1341

Job	Run time
Upload debug artifacts after failure in analyze (default)	3m 27s
Upload debug artifacts after failure in analyze (stable-v2.20.3)	1m 50s
Upload debug artifacts after failure in analyze (nightly-latest)	3m 4s
Upload debug artifacts after failure in analyze (linked)	3m 48s
Download and check debug artifacts after failure in analyze	19s
	12m 28s

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