Create self-hosted runners: switch Azure login logic to our own

We now have our own simple workflow to log into Azure, using "az login". As we're moving way from things like the Azure CLI, let's also start using our own login script instead.

Signed-off-by: Dennis Ameling <dennis@dennisameling.com>

Author: dennisameling

.github/workflows/create-azure-self-hosted-runners.yml

@@ -144,11 +144,11 @@ jobs:
         )
 
         echo "AZURE_ARM_PARAMETERS=$AZURE_ARM_PARAMETERS" >> $GITHUB_ENV
-        
+
     - name: Azure Login
-      uses: azure/login@v2
+      uses: ./.github/workflows/azure-login
       with:
-        creds: ${{ secrets.AZURE_CREDENTIALS }}
+        credentials: ${{ secrets.AZURE_CREDENTIALS }}
 
     - uses: azure/arm-deploy@v2
       id: deploy-arm-template