Bump Ultz.Native.GLFW from 3.3.9.2 to 3.4.0

Bumps [Ultz.Native.GLFW](https://github.com/glfw/glfw) from 3.3.9.2 to 3.4.0.
- [Release notes](https://github.com/glfw/glfw/releases)
- [Changelog](https://github.com/glfw/glfw/blob/master/docs/news.md)
- [Commits](https://github.com/glfw/glfw/commits/3.4)

---
updated-dependencies:
- dependency-name: Ultz.Native.GLFW
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

sources/Playground/Playground.csproj

@@ -13,7 +13,7 @@
     </ItemGroup>
 
     <ItemGroup>
-      <PackageReference Include="Ultz.Native.GLFW" Version="3.3.9.2" />
+      <PackageReference Include="Ultz.Native.GLFW" Version="3.4.0" />
     </ItemGroup>
 
     <Import Project="../Core/Silk.NET.Core.targets" />