build(deps): bump Verify.Xunit from 13.0.3 to 13.1.0 (#17)

Bumps [Verify.Xunit](https://github.com/VerifyTests/Verify) from 13.0.3 to 13.1.0.
- [Release notes](https://github.com/VerifyTests/Verify/releases)
- [Commits](https://github.com/VerifyTests/Verify/commits)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

src/ReactiveMarbles.Locator.Register.SourceGenerator.Tests/ReactiveMarbles.Locator.Register.SourceGenerator.Tests.csproj

@@ -21,7 +21,7 @@
       <PrivateAssets>all</PrivateAssets>
     </PackageReference>
     <PackageReference Include="Verify.SourceGenerators" Version="1.2.0" />
-    <PackageReference Include="Verify.Xunit" Version="13.0.3" />
+    <PackageReference Include="Verify.Xunit" Version="13.1.0" />
     <PackageReference Include="ReactiveMarbles.SourceGenerator.TestNuGetHelper" Version="1.1.1" />
   </ItemGroup>