Revert "(deps): Bump NUnit3TestAdapter from 5.2.0 to 6.0.0"

This reverts commit c11be32.

Author: arturcic

new-cli/Directory.Packages.props

@@ -20,7 +20,7 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageVersion>
-    <PackageVersion Include="NUnit3TestAdapter" Version="6.0.0" />
+    <PackageVersion Include="NUnit3TestAdapter" Version="5.2.0" />
     <PackageVersion Include="Polly" Version="8.6.5" />
     <PackageVersion Include="Roslynator.Analyzers" Version="4.14.1" />
     <PackageVersion Include="Roslynator.Formatting.Analyzers" Version="4.14.1" />
@@ -34,4 +34,4 @@
     <PackageVersion Include="System.IO.Abstractions" Version="22.1.0" />
     <PackageVersion Include="System.Text.Json" Version="10.0.1" />
   </ItemGroup>
-</Project>
+</Project>

src/Directory.Packages.props

@@ -36,7 +36,7 @@
     <PackageVersion Include="NSubstitute" Version="5.3.0" />
     <PackageVersion Include="NUnit" Version="4.4.0" />
     <PackageVersion Include="NUnit.Analyzers" Version="4.11.2" />
-    <PackageVersion Include="NUnit3TestAdapter" Version="6.0.0" />
+    <PackageVersion Include="NUnit3TestAdapter" Version="5.2.0" />
     <PackageVersion Include="Shouldly" Version="4.3.0" />
     <PackageVersion Include="System.Collections.Immutable" Version="10.0.1" />
     <PackageVersion Include="System.Drawing.Common" Version="10.0.0" />