build(deps): bump Verify.Xunit from 14.14.0 to 15.0.0 in /src (#229)

Bumps [Verify.Xunit](https://github.com/VerifyTests/Verify) from 14.14.0 to 15.0.0.
- [Release notes](https://github.com/VerifyTests/Verify/releases)
- [Commits](https://github.com/VerifyTests/Verify/commits/15.0.0)

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

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

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

src/Fusillade.Tests/Fusillade.Tests.csproj

@@ -24,6 +24,6 @@
 		<PackageReference Include="Microsoft.Reactive.Testing" Version="5.0.0" />
 		<PackageReference Include="PublicApiGenerator" Version="10.2.0" />
 		<PackageReference Include="coverlet.msbuild" Version="3.1.0" PrivateAssets="All" />
-		<PackageReference Include="Verify.Xunit" Version="14.14.0" />
+		<PackageReference Include="Verify.Xunit" Version="15.0.0" />
 	</ItemGroup>
 </Project>