Bump Verify from 28.6.1 to 28.7.0 in /src (#339)

Author: dependabot[bot]

src/Directory.Packages.props

@@ -8,7 +8,7 @@
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
     <PackageVersion Include="Polyfill" Version="7.8.0" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.147" />
-    <PackageVersion Include="Verify" Version="28.6.1" />
+    <PackageVersion Include="Verify" Version="28.7.0" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
     <PackageVersion Include="Verify.XunitV3" Version="28.6.1" />
     <PackageVersion Include="WolverineFx" Version="3.5.1" />