Bump Eto.Forms, Eto.Platform.Gtk and Eto.Platform.Wpf (#129)

Bumps Eto.Forms from 2.11.0 to 2.12.0
Bumps Eto.Platform.Gtk from 2.11.0 to 2.12.0
Bumps Eto.Platform.Wpf from 2.11.0 to 2.12.0

---
updated-dependencies:
- dependency-name: Eto.Forms
  dependency-version: 2.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: eto
- dependency-name: Eto.Platform.Gtk
  dependency-version: 2.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: eto
- dependency-name: Eto.Platform.Wpf
  dependency-version: 2.12.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: eto
...

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

Atomic.Gtk/Atomic.Gtk.csproj

@@ -8,7 +8,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="Eto.Platform.Gtk" Version="2.11.0" />
+      <PackageReference Include="Eto.Platform.Gtk" Version="2.12.0" />
     </ItemGroup>
 
     <ItemGroup>

Atomic.Wpf/Atomic.Wpf.csproj

@@ -10,7 +10,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <PackageReference Include="Eto.Platform.Wpf" Version="2.11.0" />
+      <PackageReference Include="Eto.Platform.Wpf" Version="2.12.0" />
     </ItemGroup>
 
     <ItemGroup>

Atomic/Atomic.csproj

@@ -59,7 +59,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="Eto.Forms" Version="2.11.0" />
+    <PackageReference Include="Eto.Forms" Version="2.12.0" />
   </ItemGroup>
 
 </Project>