Merge pull request PowerShell#1513 from PowerShell/andschwa/import-pester-stub

Import `InvokePesterStub.ps1` from `vscode-powershell` (with history)

Author: dependabot[bot]

test/PowerShellEditorServices.Test.E2E/PowerShellEditorServices.Test.E2E.csproj

@@ -9,7 +9,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Logging" Version="5.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.11.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
     <PackageReference Include="OmniSharp.Extensions.LanguageClient" Version="0.19.5" />
     <PackageReference Include="OmniSharp.Extensions.DebugAdapter.Client" Version="0.19.5" />
     <PackageReference Include="xunit" Version="2.4.1" />