Bump Eto.Platform.Gtk from 2.9.0 to 2.10.2 (#111)

---
updated-dependencies:
- dependency-name: Eto.Platform.Gtk
  dependency-version: 2.10.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: eto
...

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Atomic.Gtk/Atomic.Gtk.csproj

@@ -8,7 +8,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="Eto.Platform.Gtk" Version="2.9.0" />
+      <PackageReference Include="Eto.Platform.Gtk" Version="2.10.2" />
     </ItemGroup>
 
     <ItemGroup>