proxy wasm 0.3.0: bring stop iteration support back #1674

Job	Run time
build test data	1m 3s
test with NullVM on Linux/x86_64	1m 51s
test with NullVM on Linux/x86_64 with ASan	2m 35s
test with NullVM on Linux/x86_64 with TSan	2m 52s
test with NullVM on Windows/x86_64	3m 49s
test with V8 on Linux/x86_64	8m 9s
test with V8 on Linux/x86_64 with ASan	2m 32s
test with V8 on Linux/x86_64 with TSan	2m 16s
test with V8 on Linux/x86_64 with GCC	4m 52s
test with V8 on Linux/aarch64	2m 32s
test with V8 on macOS/x86_64	6m 52s
test with WAMR interp on Linux/x86_64	2m 15s
test with WAMR interp on macOS/x86_64	5m 28s
test with WAMR jit on Linux/x86_64	2m 3s
test with WAMR jit on macOS/x86_64	6m 4s
test with WasmEdge on Linux/x86_64	6m 0s
test with WasmEdge on macOS/x86_64	8m 5s
test with Wasmtime on Linux/x86_64	7m 14s
test with Wasmtime on Linux/x86_64 with ASan	4m 43s
build with Wasmtime on Linux/aarch64	6m 37s
test with Wasmtime on Linux/s390x	11m 32s
test with Wasmtime on macOS/x86_64	7m 0s
test with WAVM on Linux/x86_64	1m 16s
	1h 47m 40s

Provide feedback