[wasm-simd][fuzzer] Add i32x4.dot_i16x8_s to fuzzer

Bug: v8:10993
Change-Id: I678db8916ddc36f6325534b6d467f35038241e4c
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2453458Reviewed-by: Bill Budge <bbudge@chromium.org>
Commit-Queue: Zhi An Ng <zhin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#70554}

test/fuzzer/wasm-compile.cc

@@ -1399,6 +1399,8 @@ void WasmGenerator::Generate<ValueType::kS128>(DataRange* data) {
                                      ValueType::kS128>,
       &WasmGenerator::op_with_prefix<kExprI32x4MaxU, ValueType::kS128,
                                      ValueType::kS128>,
+      &WasmGenerator::op_with_prefix<kExprI32x4DotI16x8S, ValueType::kS128,
+                                     ValueType::kS128>,
 
       &WasmGenerator::op_with_prefix<kExprI64x2Splat, ValueType::kI64>,
       &WasmGenerator::op_with_prefix<kExprI64x2Neg, ValueType::kS128>,