Bump Verify.XunitV3 from 28.2.1 to 28.3.1 in /src (#1037)

Author: dependabot[bot]

src/Directory.Packages.props

@@ -22,7 +22,7 @@
     <PackageVersion Include="ProjectDefaults" Version="1.0.144" />
     <PackageVersion Include="System.Text.Encodings.Web" Version="8.0.0" />
     <PackageVersion Include="Verify.SqlServer" Version="10.1.0" />
-    <PackageVersion Include="Verify.XunitV3" Version="28.2.1" />
+    <PackageVersion Include="Verify.XunitV3" Version="28.3.1" />
     <PackageVersion Include="xunit.v3" Version="0.6.0-pre.7" />
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.0.0-pre.49" />
   </ItemGroup>