Bump Verify.XunitV3 from 28.2.1 to 28.3.1 in /src

Bumps [Verify.XunitV3](https://github.com/VerifyTests/Verify) from 28.2.1 to 28.3.1.
- [Release notes](https://github.com/VerifyTests/Verify/releases)
- [Commits](VerifyTests/Verify@28.2.1...28.3.1)

---
updated-dependencies:
- dependency-name: Verify.XunitV3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

src/Directory.Packages.props

@@ -8,9 +8,9 @@
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
     <PackageVersion Include="ProjectDefaults" Version="1.0.144" />
     <PackageVersion Include="Paramore.Brighter" Version="9.9.7" />
-    <PackageVersion Include="Verify" Version="28.2.1" />
+    <PackageVersion Include="Verify" Version="28.3.1" />
     <PackageVersion Include="Verify.DiffPlex" Version="3.1.2" />
-    <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>