Add `cooldown` settings for Dependabot #2484

Job	Run time
Upload debug artifacts after failure in analyze (stable-v2.20.3)	2m 47s
Upload debug artifacts after failure in analyze (nightly-latest)	4m 4s
Upload debug artifacts after failure in analyze (linked)	3m 50s
Upload debug artifacts after failure in analyze (default)	3m 50s
Download and check debug artifacts after failure in analyze	8s
	14m 39s

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