Update autoMerge.yml

.github/workflows/autoMerge.yml

@@ -5,12 +5,12 @@ on:
 
 jobs:
   build:
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
 
     steps:
     - name: Auto Merge PR
       run: |
-        echo ${{ secrets.PUSH_TOKEN }} >> auth.txt
+        echo ${{ secrets.GITHUB_TOKEN }} >> auth.txt
         gh auth login --with-token < auth.txt
         rm auth.txt
         gh pr merge https://github.com/FreeTubeApp/FreeTube/pull/${{ github.event.pull_request.number }} --auto