Add serialize to NativeAOT (#2065)

Author: MichalPetryka

src/BenchmarkDotNet/Toolchains/NativeAot/Generator.cs

@@ -238,6 +238,7 @@ private static IEnumerable<string> GetCurrentProcessInstructionSets(Platform pla
                     if (HardwareIntrinsics.IsX86PclmulqdqSupported) yield return "pclmul";
                     if (HardwareIntrinsics.IsX86PopcntSupported) yield return "popcnt";
                     if (HardwareIntrinsics.IsX86AvxVnniSupported) yield return "avxvnni";
+                    if (HardwareIntrinsics.IsX86SerializeSupported) yield return "serialize";
                     break;
                 case Platform.Arm64:
                     if (HardwareIntrinsics.IsArmBaseSupported) yield return "base";