Add AZURE_DEV_COLLECT_TELEMETRY variable in azure-dev.yml file

Author: NirajC-Microsoft

.github/workflows/azure-dev-validation.yml

@@ -28,6 +28,7 @@ jobs:
           AZURE_ENV_NAME: ${{ secrets.AZURE_ENV_NAME }}
           AZURE_LOCATION: ${{ secrets.AZURE_LOCATION }}
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          AZURE_DEV_COLLECT_TELEMETRY: ${{ vars.AZURE_DEV_COLLECT_TELEMETRY }}
 
       # Step 3: Print the result of the validation
       - name: Print result