Bump the avalonia group with 1 update

Bumps the avalonia group with 1 update: [Avalonia.Diagnostics](https://github.com/AvaloniaUI/Avalonia).


Updates `Avalonia.Diagnostics` from 11.0.7 to 11.0.9
- [Release notes](https://github.com/AvaloniaUI/Avalonia/releases)
- [Commits](AvaloniaUI/Avalonia@11.0.7...11.0.9)

---
updated-dependencies:
- dependency-name: Avalonia.Diagnostics
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: avalonia
...

Signed-off-by: dependabot[bot] <[email protected]>

Directory.Packages.props

@@ -31,7 +31,7 @@
     <PackageVersion Include="Avalonia.Controls.DataGrid" Version="11.0.9" />
     <PackageVersion Include="Avalonia.Controls.TreeDataGrid" Version="11.0.2" />
     <PackageVersion Include="Avalonia.Desktop" Version="11.0.9" />
-    <PackageVersion Include="Avalonia.Diagnostics" Version="11.0.7" />
+    <PackageVersion Include="Avalonia.Diagnostics" Version="11.0.9" />
     <PackageVersion Include="Avalonia.Headless" Version="11.0.9" />
     <PackageVersion Include="Avalonia.ReactiveUI" Version="11.0.9" />
     <PackageVersion Include="Avalonia.Themes.Fluent" Version="11.0.9" />