Update ApprovalTests.Xunit2.csproj

Author: SimonCropp

src/ApprovalTests.Xunit2/ApprovalTests.Xunit2.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="xunit" Version="2.9.3" />
-    <PackageReference Include="xunit.runner.visualstudio" Version="3.1.1" PrivateAssets="all" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" PrivateAssets="all" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1" />
     <ProjectReference Include="..\ApprovalTests\ApprovalTests.csproj" />
     <ProjectReference Include="..\ApprovalUtilities\ApprovalUtilities.csproj" />