Update Shims section in README.md to match table and list #436

Job	Run time
rustfmt	8m 44s
build / build (ubuntu-latest, x86_64, slight, v1)	18m 38s
build-wasm-images / build_and_push (examples/slight-rust-hello, images/slight)	2m 0s
build / build (ubuntu-latest, x86_64, wws, v1)	14m 25s
build-wasm-images / build_and_push (examples/wws-js-hello, images/wws)	14s
build / build (ubuntu-latest, x86_64, lunatic, v1)	12m 49s
build / build (ubuntu-latest, aarch64, slight, v1)	19m 35s
build / build (ubuntu-latest, aarch64, wws, v1)	14m 41s
build-wasm-images / build_and_push (examples/lunatic-rust-hello, images/lunatic)	34s
build / build (ubuntu-latest, aarch64, lunatic, v1)	12m 46s
build-wasm-images / build_and_push (examples/lunatic-spawn, images/lunatic-spawn)	1m 57s
build-wasm-images / build_and_push (examples/lunatic-submillisecond, images/lunatic-submillisecond)	2m 12s
test	6m 27s
	1h 55m 2s

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