Upgrade System.Text.Json to 6.0.10

Author: DefaultRyan

vsix/Dev16/vsix.Dev16.csproj

@@ -93,6 +93,7 @@
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
     <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
+    <PackageReference Include="System.Text.Json" Version="6.0.10" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="$(VSIXRootDir)Resources\VSPackage.resx">

vsix/Dev17/vsix.Dev17.csproj

@@ -168,6 +168,9 @@
       </Generator>
     </EmbeddedResource>
   </ItemGroup>
+  <ItemGroup>
+    <PackageReference Include="System.Text.Json" Version="6.0.10" />
+  </ItemGroup>
   <Import Project="Sdk.targets" Sdk="Microsoft.NET.Sdk" />
   <Import Project="$(VSToolsPath)\VSSDK\Microsoft.VsSDK.targets" Condition="'$(VSToolsPath)' != ''" />
   <Import Project="..\Extension.targets" />