build(deps): bump Citrus.Avalonia from 1.3.0-preview to 1.4.3 in /Sample (#341)

Bumps [Citrus.Avalonia](https://github.com/worldbeater/citrus.avalonia) from 1.3.0-preview to 1.4.3.
- [Release notes](https://github.com/worldbeater/citrus.avalonia/releases)
- [Commits](https://github.com/worldbeater/citrus.avalonia/commits/1.4.3)

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

Sample/SextantSample.Avalonia/SextantSample.Avalonia.csproj

@@ -7,7 +7,7 @@
         <PackageReference Include="Avalonia" Version="0.10.0" />
         <PackageReference Include="Avalonia.Desktop" Version="0.10.0" />
         <PackageReference Include="Avalonia.ReactiveUI" Version="0.10.0" />
-        <PackageReference Include="Citrus.Avalonia" Version="1.3.0-preview" />
+        <PackageReference Include="Citrus.Avalonia" Version="1.4.3" />
         <PackageReference Include="MessageBox.Avalonia" Version="1.0.5" />
         <PackageReference Include="ReactiveUI" Version="13.*" />
     </ItemGroup>