Modify package references

Author: Csantucci

Source/MultiPlayerServer/MultiPlayerServer.csproj

@@ -11,7 +11,7 @@
 		<LangVersion>10.0</LangVersion>
 </PropertyGroup>
 	<ItemGroup>
-		<PackageReference Include="System.IO.Pipelines" Version="6.0.0.0" />
-		<PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="6.0.0" />
+		<PackageReference Include="System.IO.Pipelines" Version="5.0.0.0" />
+		<PackageReference Include="System.Runtime.CompilerServices.Unsafe" Version="5.0.0" />
 	</ItemGroup>
 </Project>