Fix casing of 'resourceGroup' to 'resourcegroup' in Azure deployment workflow

Author: alnuaimicoder

.github/workflows/azure-deploy.yml

@@ -37,6 +37,6 @@ jobs:
       - name: Deploy Bicep Template
         uses: azure/arm-deploy@v2
         with:
-            scope: resourceGroup
+            scope: resourcegroup
             resourceGroupName: rg-urlshortener-dev
             template: ./infrastructure/main.bicep