Include the LICENSE file in the published isal-sys crates (#26) #84

Job	Run time
test-wasm32-emscripten (static)	1m 30s
test-cross (x86_64-unknown-linux-musl)	2m 39s
test-native (macos-13)	4m 10s
test-wasm32-emscripten (shared)	1m 20s
test-cross (s390x-unknown-linux-gnu)	2m 47s
test-native (macos-14)	1m 37s
test-cross (aarch64-unknown-linux-musl)	2m 54s
test-native (windows-latest)	3m 5s
test-native (ubuntu-latest)	2m 25s
	22m 27s

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