Update GitHub token reference in nightly release workflow

Author: codeAbinash

.github/workflows/build.yml

@@ -111,7 +111,7 @@ jobs:
       - name: Update Nightly Release
         uses: andelf/nightly-release@main
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
         with:
           tag_name: nightly
           name: 'Desktop App Nightly Release $$'