Add risk assessment to PR template #1002

Job	Run time
Upload debug artifacts after failure in analyze (stable-v2.20.3)	1m 59s
Upload debug artifacts after failure in analyze (linked)	3m 30s
Upload debug artifacts after failure in analyze (default)	3m 20s
Upload debug artifacts after failure in analyze (nightly-latest)	3m 10s
Download and check debug artifacts after failure in analyze	11s
	12m 10s

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