Bump Eto.Platform.Windows from 2.7.5 to 2.8.0 (#43)

Bumps [Eto.Platform.Windows](https://github.com/picoe/Eto) from 2.7.5 to 2.8.0.
- [Release notes](https://github.com/picoe/Eto/releases)
- [Commits](picoe/Eto@2.7.5...2.8.0)

---
updated-dependencies:
- dependency-name: Eto.Platform.Windows
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

PLRPC.GUI.Windows/PLRPC.GUI.Windows.csproj

@@ -19,7 +19,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="Eto.Platform.Windows" Version="2.7.5"/>
+        <PackageReference Include="Eto.Platform.Windows" Version="2.8.0"/>
         <ProjectReference Include="..\PLRPC.GUI\PLRPC.GUI.csproj"/>
     </ItemGroup>