ci: enable `minimal-versions` jobs #3092

Job	Run time
build (stable, thumbv7em-none-eabi)	8s
build (1.85.0, wasm32-unknown-unknown)	18s
test (1.85.0)	25s
minimal-versions / minimal-versions	27s
build (stable, wasm32-unknown-unknown)	12s
test (stable)	17s
build (1.85.0, thumbv7em-none-eabi)	15s
	2m 2s

Provide feedback