Bump Verify from 28.2.1 to 28.3.1 in /src (#308)

Author: dependabot[bot]

src/Directory.Packages.props

@@ -11,7 +11,7 @@
     <PackageVersion Include="NUnit3TestAdapter" Version="4.6.0" />
     <PackageVersion Include="Polyfill" Version="7.4.1" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.144" />
-    <PackageVersion Include="Verify" Version="28.2.1" />
-    <PackageVersion Include="Verify.Nunit" Version="28.2.1" />
+    <PackageVersion Include="Verify" Version="28.3.1" />
+    <PackageVersion Include="Verify.Nunit" Version="28.3.0" />
   </ItemGroup>
 </Project>