use staging branch

Author: abose

.github/workflows/deploy-staging.yml

@@ -14,9 +14,10 @@ jobs:
           echo source: ${{github.event.client_payload.source}}, workflow: ${{github.event.client_payload.workflow}}, action_run_id: ${{github.event.client_payload.run_id}}, action_run_number: ${{github.event.client_payload.run_number}}, sha: ${{ github.event.client_payload.sha }}, github_ref: ${{ github.event.client_payload.ref }}
 
       - name: Checking Out https://github.com/phcode-dev/phoenix
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
           repository: phcode-dev/phoenix
+          ref: staging
           path: './phoenix'
       - name: Building phoenix release artifacts
         working-directory: ./phoenix