Merge zwasm-integration: replace internal wasm engine with zwasm depe… #14

Job	Run time
test-linux	4m 10s
test-macos	3m 2s
cross-compile (x86_64-macos-none)	46s
cross-compile (aarch64-macos-none)	29s
cross-compile (aarch64-linux-gnu)	45s
cross-compile (x86_64-linux-gnu)	46s
	9m 58s

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