fix Directory.Packages.props

Author: NotOfficer

src/Directory.Packages.props

@@ -3,11 +3,9 @@
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
   </PropertyGroup>
   <ItemGroup>
-    <ItemGroup>
-      <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
-      <PackageVersion Include="xunit" Version="2.9.3" />
-      <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.0" />
-      <PackageVersion Include="coverlet.collector" Version="6.0.4" />
-    </ItemGroup>
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.13.0" />
+    <PackageVersion Include="xunit" Version="2.9.3" />
+    <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.0" />
+    <PackageVersion Include="coverlet.collector" Version="6.0.4" />
   </ItemGroup>
 </Project>