chore: remove reference to a branch

Author: alucardzom

.github/workflows/stable-sync.yml

@@ -34,7 +34,6 @@ jobs:
       - uses: actions/checkout@v4
         with:
           fetch-depth: 0
-          ref: ale/improve-stable-sync-pipeline-process
 
       - name: Setup Node.js
         uses: actions/setup-node@v4