Bump AvaloniaVersion from 11.0.7 to 11.0.9

Bumps `AvaloniaVersion` from 11.0.7 to 11.0.9.

Updates `Avalonia.Desktop` 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)

Updates `Avalonia.ReactiveUI` 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)

Updates `Avalonia.Themes.Fluent` 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.Desktop
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: Avalonia.ReactiveUI
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: Avalonia.Themes.Fluent
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Directory.Packages.props

@@ -1,7 +1,7 @@
 <Project>
   <PropertyGroup>
     <ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
-    <AvaloniaVersion>11.0.7</AvaloniaVersion>
+    <AvaloniaVersion>11.0.9</AvaloniaVersion>
     <SnapxVersion>5.2.5</SnapxVersion>
   </PropertyGroup>
   <ItemGroup>