Refactor dotnet.yml to update Azure Login action to use version 2 and use Azure credentials for authentication

Author: ahmedsza

.github/workflows/dotnet.yml

@@ -68,11 +68,7 @@ jobs:
     - name: Azure Login
       uses: azure/login@v2
       with:
-        client-id: ${{ secrets.AZURE_CLIENT_ID }}
-        tenant-id: ${{ secrets.AZURE_TENANT_ID }}
-        subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
-        enable-AzPSSession: true
-
+        creds: ${{ secrets.AZURE_CREDENTIALS }}
 
 
     - name: Deploy to Azure Web App