build(deps): bump Avalonia.ReactiveUI from 0.10.6 to 0.10.7 in /src (#473)

Bumps [Avalonia.ReactiveUI](https://github.com/AvaloniaUI/Avalonia) from 0.10.6 to 0.10.7.
- [Release notes](https://github.com/AvaloniaUI/Avalonia/releases)
- [Commits](AvaloniaUI/Avalonia@0.10.6...0.10.7)

---
updated-dependencies:
- dependency-name: Avalonia.ReactiveUI
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

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

Author: dependabot[bot]

src/Sextant.Avalonia/Sextant.Avalonia.csproj

@@ -11,7 +11,7 @@
     <PackageReference Include="ReactiveUI" Version="14.*" />
     <PackageReference Include="Avalonia" Version="0.10.7" />
     <PackageReference Include="Avalonia.Desktop" Version="0.10.6" />
-    <PackageReference Include="Avalonia.ReactiveUI" Version="0.10.6" />
+    <PackageReference Include="Avalonia.ReactiveUI" Version="0.10.7" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\Sextant\Sextant.csproj" />