chore(deps): update dependency verify.xunit to v28

Author: renovate[bot]

ArchUnitNETTests/ArchUnitNETTests.csproj

@@ -25,7 +25,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
-    <PackageReference Include="Verify.xunit" Version="26.6.0" />
+    <PackageReference Include="Verify.xunit" Version="28.3.2" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
   </ItemGroup>