Add workflow for rolling back release #994

Job	Run time
Rust analysis (ubuntu-latest, stable-v2.19.3)	1m 11s
Rust analysis (ubuntu-latest, default)	2m 4s
Rust analysis (ubuntu-latest, stable-v2.22.1)	1m 56s
Rust analysis (ubuntu-latest, linked)	1m 47s
Rust analysis (ubuntu-latest, nightly-latest)	1m 45s
	8m 43s

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