Test

Chore: Update V8 flag initialization to use V8 API #2039

Job	Run time
build test data	4m 42s
test with V8 on Linux/x86_64 with GCC	5m 47s
test with NullVM on Linux/x86_64 with ASan	5m 40s
test with V8 on macOS/x86_64	16m 50s
test with V8 on Linux/aarch64	6m 52s
test with NullVM on Linux/x86_64	5m 25s
test with WasmEdge on macOS/x86_64	21m 14s
test with V8 on Linux/x86_64	6m 14s
test with V8 on Linux/x86_64 with TSan	6m 42s
test with WasmEdge on Linux/x86_64	6m 41s
test with WAMR jit on macOS/x86_64	14m 30s
test with NullVM on Linux/x86_64 with TSan	6m 21s
test with WAMR interp on Linux/x86_64	5m 32s
test with V8 on Linux/x86_64 with ASan	6m 19s
test with Wasmtime on Linux/x86_64 with ASan	6m 40s
test with WAMR interp on macOS/x86_64	15m 7s
test with WAMR jit on Linux/x86_64	27m 2s
test with Wasmtime on Linux/x86_64	7m 8s
test with NullVM on Windows/x86_64	14m 58s
test with Wasmtime on Linux/s390x	47m 22s
build with Wasmtime on Linux/aarch64	8m 26s
test with Wasmtime on macOS/x86_64	19m 13s
	4h 24m 45s

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