Add risk assessment to PR template #992

Job	Run time
Upload debug artifacts after failure in analyze (linked)	3m 29s
Upload debug artifacts after failure in analyze (default)	3m 34s
Upload debug artifacts after failure in analyze (nightly-latest)	3m 25s
Upload debug artifacts after failure in analyze (stable-v2.20.3)	2m 16s
Download and check debug artifacts after failure in analyze	11s
	12m 55s

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