Refactor Azure login step to use credentials JSON format for improved security

Author: alnuaimicoder

.github/workflows/azure-deploy.yml

@@ -25,9 +25,7 @@ jobs:
       - name: Azure Login
         uses: azure/[email protected]
         with:
-          client-id: ${{ secrets.AZURE_CLIENT_ID }}
-          tenant-id: ${{ secrets.AZURE_TENANT_ID }}
-          subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
+          creds: ${{ secrets.AZURE_CREDENTIALS }}
 
       - uses: azure/[email protected]
         with: