add labels to sonarcloud issue template

Author: fdiblen

{{cookiecutter.project_name}}/.github/next_steps/01_sonarcloud_integration.md

@@ -1,6 +1,8 @@
 ---
-title: 'Action required: Sonarcloud integration'
-labels: enhancement
+title: 'Next step: Sonarcloud integration'
+labels: 
+  - 'enhancement'
+  - 'action required'
 ---
 
 Continuous code quality can be handled by [Sonarcloud](https://sonarcloud.io/). This repository is configured to use Sonarcloud to perform quality analysis and code coverage report on each push.