build(deps): bump Avalonia from 0.10.0-rc1 to 0.10.0-rc2 in /Sample (#327)

Bumps [Avalonia](https://github.com/AvaloniaUI/Avalonia) from 0.10.0-rc1 to 0.10.0-rc2.
- [Release notes](https://github.com/AvaloniaUI/Avalonia/releases)
- [Commits](https://github.com/AvaloniaUI/Avalonia/commits)

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

@@ -4,7 +4,7 @@
         <TargetFramework>netcoreapp3.1</TargetFramework>
     </PropertyGroup>
     <ItemGroup>
-        <PackageReference Include="Avalonia" Version="0.10.0-rc1" />
+        <PackageReference Include="Avalonia" Version="0.10.0-rc2" />
         <PackageReference Include="Avalonia.Desktop" Version="0.10.0-rc1" />
         <PackageReference Include="Avalonia.ReactiveUI" Version="0.10.0-rc1" />
         <PackageReference Include="Citrus.Avalonia" Version="1.3.0-preview" />

src/Sextant.Avalonia/Sextant.Avalonia.csproj

@@ -9,7 +9,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="ReactiveUI" Version="13.*" />
-    <PackageReference Include="Avalonia" Version="0.10.0-rc1" />
+    <PackageReference Include="Avalonia" Version="0.10.0-rc2" />
     <PackageReference Include="Avalonia.Desktop" Version="0.10.0-rc1" />
     <PackageReference Include="Avalonia.ReactiveUI" Version="0.10.0-rc1" />
   </ItemGroup>