fix: update GitHub token reference in NuGet package publishing step

Author: jakubkozera

.github/workflows/publish-nuget.yml

@@ -177,7 +177,7 @@ jobs:
         run: |
           foreach($file in (Get-ChildItem "${{ env.NuGetDirectory }}" -Recurse -Include *.nupkg)) {
               Write-Host "Publishing $($file.Name) to GitHub Packages..."
-              dotnet nuget push $file --api-key ${{ secrets.GITHUB_TOKEN }} --source https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json --skip-duplicate
+              dotnet nuget push $file --api-key ${{ secrets.GH_TOKEN }} --source https://nuget.pkg.github.com/${{ github.repository_owner }}/index.json --skip-duplicate
           }
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}