Exclude benchmarks and their data files from released crates (plus a few other files) #303

Job	Run time
test-wasm32-emscripten (static)	1m 11s
test-cross (x86_64-unknown-linux-musl)	2m 9s
test-native (macos-13)	3m 34s
test-wasm32-emscripten (shared)	1m 10s
test-conda-env (macos-14, --features use-system-blosc2)	45s
test-cross (s390x-unknown-linux-gnu)	2m 1s
test-native (macos-14)	2m 21s
test-conda-env (windows-latest, --features use-system-blosc2)	2m 21s
test-native (windows-latest)	4m 47s
test-conda-env (ubuntu-latest, --features use-system-blosc2)	31s
test-native (ubuntu-latest)	2m 23s
	23m 13s

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