Migrate to Zig 0.16.0 + zwasm v1.11.0 #77

Job	Run time
test-macos	2m 44s
test-linux	34s
cross-compile (x86_64-linux-gnu)	36s
cross-compile (aarch64-linux-gnu)	34s
cross-compile (x86_64-macos-none)	38s
cross-compile (aarch64-macos-none)	33s
	5m 39s

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