Bump Verify.ImageMagick from 3.4.0 to 3.4.2 in /src

Bumps [Verify.ImageMagick](https://github.com/VerifyTests/Verify.ImageMagick) from 3.4.0 to 3.4.2.
- [Release notes](https://github.com/VerifyTests/Verify.ImageMagick/releases)
- [Commits](https://github.com/VerifyTests/Verify.ImageMagick/commits)

---
updated-dependencies:
- dependency-name: Verify.ImageMagick
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

src/DiffEngineTray.Tests/DiffEngineTray.Tests.csproj

@@ -11,7 +11,7 @@
     <PackageReference Include="Verify.DiffPlex" Version="3.0.0" />
     <PackageReference Include="Verify.WinForms" Version="4.0.0" />
     <PackageReference Include="Verify.Xunit" Version="24.2.0" />
-    <PackageReference Include="Verify.ImageMagick" Version="3.4.0" />
+    <PackageReference Include="Verify.ImageMagick" Version="3.4.2" />
     <PackageReference Include="Xunit" Version="2.8.0" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.0" PrivateAssets="all" />
     <PackageReference Include="ProjectDefaults" Version="1.0.127" PrivateAssets="all" />