Staging workflow updated

Author: Amanuel-Abera

.github/workflows/staging.yml

@@ -22,7 +22,7 @@ jobs:
           vercel-token: ${{ secrets.VERCEL_TOKEN }}
           github-token: ${{ secrets.GITHUB_TOKEN }}
           vercel-org-id: ${{ secrets.ORG_ID}}
-          vercel-project-id: ${{ secrets.STAGING_PROJECT_ID }}
+          vercel-project-id: ${{ secrets.PROD_PROJECT_ID }}
           working-directory: ./ 
           alias-domains: pr-${{ github.event.inputs.PR_number }}.staging.dev