fix(ci): relock dtolnay/rust-toolchain@stable — upstream ref moved #1041

Job	Run time
Validate A2ML manifests	4m 15s
Validate eclexiaiser manifest	17s
Groove manifest check	18s
Validate K9 contracts	14s
Empty-linter (invisible characters)	14s
Dogfooding compliance summary	12s
	5m 30s

Navigation Menu