Update dependency NuGet.Protocol to 6.3.3 [SECURITY]

Author: renovate[bot]

TShockPluginManager/TShockPluginManager.csproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
 		<PackageReference Include="NuGet.Packaging" Version="6.3.4" />
-		<PackageReference Include="NuGet.Protocol" Version="6.3.1" />
+		<PackageReference Include="NuGet.Protocol" Version="6.3.3" />
 		<PackageReference Include="NuGet.Resolver" Version="6.3.1" />
 		<PackageReference Include="System.CommandLine" Version="2.0.0-beta4.22272.1" />
     <PackageReference Include="System.Reflection.MetadataLoadContext" Version="6.0.0" />