Bump DiffEngine from 19.1.3 to 19.2.0

---
updated-dependencies:
- dependency-name: DiffEngine
  dependency-version: 19.2.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

src/Directory.Packages.props

@@ -30,7 +30,7 @@
     <PackageVersion Include="xunit.runner.visualstudio" Version="3.1.5" />
     <PackageVersion Include="Microsoft.Sbom.Targets" Version="4.1.5" />
     <PackageVersion Include="Argon" Version="0.33.5" />
-    <PackageVersion Include="DiffEngine" Version="19.1.3" />
+    <PackageVersion Include="DiffEngine" Version="19.2.0" />
     <PackageVersion Include="EmptyFiles" Version="8.18.1" />
     <PackageVersion Include="SimpleInfoName" Version="3.2.0" />
   </ItemGroup>

src/Verify.Avalonia/Verify.Avalonia.csproj

@@ -6,6 +6,7 @@
     <PackageReference Include="Avalonia.Controls.ColorPicker" />
     <PackageReference Include="Avalonia.Controls.DataGrid" />
     <PackageReference Include="Avalonia.Headless" />
+  <PackageReference Include="DiffEngine" />
   <PackageReference Include="EmptyFiles" />
     <PackageReference Include="Verify" />
     <PackageReference Include="ProjectDefaults" PrivateAssets="all" />