refs and cleanup

Author: SimonCropp

src/Directory.Packages.props

@@ -5,17 +5,17 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageVersion Include="MarkdownSnippets.MsBuild" Version="28.2.0" />
-    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.5.1" />
+    <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.6.0" />
     <PackageVersion Include="NUnit" Version="4.6.1" />
     <PackageVersion Include="NUnit3TestAdapter" Version="6.2.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.174" />
     <PackageVersion Include="Polyfill" Version="10.7.0" />
-    <PackageVersion Include="ProjectFiles" Version="1.1.1" />
+    <PackageVersion Include="ProjectFiles" Version="1.2.0" />
     <PackageVersion Include="System.Memory" Version="4.6.3" />
     <PackageVersion Include="Microsoft.Sbom.Targets" Version="4.1.5" />
     <!-- Keep at 8 to support old frameworks -->
     <PackageVersion Include="System.Collections.Immutable" Version="8.0.0" Pinned="true" />
     <PackageVersion Include="System.ValueTuple" Version="4.5.0" Pinned="true" />
-    <PackageVersion Include="Verify" Version="31.17.0" />
+    <PackageVersion Include="Verify" Version="31.18.0" />
   </ItemGroup>
 </Project>