ci: enable containerd image store for docker #423

Job	Run time
rustfmt	12m 15s
build / build (ubuntu-latest, x86_64, slight, v1)	18m 13s
build-wasm-images / build_and_push (examples/spin-rust-hello, images/spin)	1m 32s
build / build (ubuntu-latest, x86_64, spin, v2)	21m 10s
build-wasm-images / build_and_push (examples/spin-dotnet-hello, images/spin_dotnet)	49s
build / build (ubuntu-latest, x86_64, wws, v1)	14m 37s
build-wasm-images / build_and_push (examples/slight-rust-hello, images/slight)	3m 18s
build / build (ubuntu-latest, x86_64, lunatic, v1)	12m 31s
build-wasm-images / build_and_push (examples/wws-js-hello, images/wws)	12s
build / build (ubuntu-latest, aarch64, slight, v1)	19m 22s
build-wasm-images / build_and_push (examples/spin-inbound-redis, images/spin-inbound-redis)	56s
build / build (ubuntu-latest, aarch64, spin, v2)	21m 34s
build-wasm-images / build_and_push (examples/spin-outbound-redis, images/spin-outbound-redis)	56s
build / build (ubuntu-latest, aarch64, wws, v1)	14m 50s
build-wasm-images / build_and_push (examples/lunatic-rust-hello, images/lunatic)	30s
build / build (ubuntu-latest, aarch64, lunatic, v1)	12m 54s
build-wasm-images / build_and_push (examples/lunatic-spawn, images/lunatic-spawn)	3m 17s
build-wasm-images / build_and_push (examples/lunatic-submillisecond, images/lunatic-submillisecond)	3m 36s
test	12m 11s
	2h 54m 43s

Provide feedback