Use https for the scrape job in testlists

Author: LDiazN

ansible/roles/prometheus/templates/prometheus.yml

@@ -394,7 +394,7 @@ scrape_configs:
     basic_auth:
       username: 'prom'
       password: '{{ prometheus_metrics_password }}'
-    scheme: http
+    scheme: https
 
   - job_name: "airflow"
     scheme: https