Bump Verify.Xunit from 21.3.0 to 22.1.1 in /src

Bumps [Verify.Xunit](https://github.com/VerifyTests/Verify) from 21.3.0 to 22.1.1.
- [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-major
...

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

src/DiffEngineTray.Tests/DiffEngineTray.Tests.csproj

@@ -10,7 +10,7 @@
     <PackageReference Include="Argon" Version="0.12.0" />
     <PackageReference Include="Verify.DiffPlex" Version="2.2.1" />
     <PackageReference Include="Verify.WinForms" Version="4.0.0" />
-    <PackageReference Include="Verify.Xunit" Version="21.3.0" />
+    <PackageReference Include="Verify.Xunit" Version="22.1.1" />
     <PackageReference Include="Verify.ImageMagick" Version="3.2.2" />
     <PackageReference Include="Xunit" Version="2.5.1" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.1" PrivateAssets="all" />