Bump Verify from 28.5.0 to 28.6.0 in /src (#260)

Author: dependabot[bot]

src/Directory.Packages.props

@@ -9,7 +9,7 @@
     <PackageVersion Include="Polyfill" Version="7.7.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.147" />
     <PackageVersion Include="System.Text.Json" Version="9.0.0" />
-    <PackageVersion Include="Verify" Version="28.5.0" />
+    <PackageVersion Include="Verify" Version="28.6.0" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
     <PackageVersion Include="Verify.XunitV3" Version="28.5.0" />
     <PackageVersion Include="xunit.v3" Version="0.7.0-pre.15" />