update protobuf-net from 2.4.6 to 3.0.73

src/Abc.Zebus/Abc.Zebus.csproj

@@ -12,7 +12,7 @@
   <ItemGroup>
     <PackageReference Include="log4net" Version="2.0.12" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
-    <PackageReference Include="protobuf-net" Version="2.4.6" />
+    <PackageReference Include="protobuf-net" Version="3.0.73" />
     <PackageReference Include="structuremap" Version="4.7.1" />
   </ItemGroup>
 

src/Abc.Zebus/Transport/TransportMessageReader.cs

@@ -194,9 +194,6 @@ namespace Abc.Zebus.Transport
                 case WireType.None:
                     return false;
 
-                case WireType.Variant:
-                    return reader.TryReadRawVariant(out _);
-
                 case WireType.Fixed64:
                     return reader.TryReadFixed64(out _);
 

src/Directory.Build.props

@@ -16,7 +16,7 @@
   </PropertyGroup>
 
   <PropertyGroup>
-    <ZebusVersion>3.7.1</ZebusVersion>
+	<ZebusVersion>3.8.0-pre1</ZebusVersion>
     <ZebusContractsVersion>3.0.0</ZebusContractsVersion>
     <ZebusDirectoryVersion>$(ZebusVersion)</ZebusDirectoryVersion>
     <ZebusPersistenceVersion>$(ZebusVersion)</ZebusPersistenceVersion>