Revert "deps: bump Newtonsoft v10.0.3->13.0.3"

This reverts commit 4359f07.

Author: DevYukine

RomM.csproj

@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
 <Project ToolsVersion="Current" Sdk="Microsoft.NET.Sdk" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -71,7 +71,7 @@
     </Page>
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="10.0.3" />
     <PackageReference Include="PlayniteSDK" Version="6.11.0" />
     <PackageReference Include="protobuf-net" Version="2.0.0.668" />
     <PackageReference Include="SharpCompress" Version="0.36.0" />