Fix auto-discovery for latest versions on Kubernetes (#9575)

* [kube_controller_manager] Update `auto_conf.yaml` to provide a list of possible Prometheus URLs

kube_controller_manager/datadog_checks/kube_controller_manager/data/auto_conf.yaml

@@ -4,13 +4,30 @@ ad_identifiers:
 init_config:
 
 instances:
-    ## @param prometheus_url - string - required
+    ## @param possible_prometheus_urls - list(string) - optional
+    ## The URLs to try to get your application metrics that are exposed by Prometheus.
+    ## The check will try each URLs in the list and will use the first working one.
+    ## One of possible_prometheus_urls or prometheus_url parameter is required.
+    #
+  - possible_prometheus_urls:
+      - https://%%host%%:10257/metrics
+      - https://localhost:10257/metrics
+      - http://%%host%%:10252/metrics
+      - http://localhost:10252/metrics
+
+    ## @param prometheus_url - string - optional
     ## The URL where your application metrics are exposed by Prometheus.
+    ## One of possible_prometheus_urls or prometheus_url parameter is required.
     #
-  - prometheus_url: "http://%%host%%:10252/metrics"
+    # prometheus_url: http://%%host%%:10252/metrics
 
     ## @param bearer_token_auth - string - optional
     ## Used if you are using RBACs and need the Agent to authenticate
     ## against the APIServer to retrieve metrics. Default to true.
     #
     bearer_token_auth: true
+
+    ## @param ssl_verify - boolean - optional - default: true
+    ## Used to verify self signed certificates.
+    #
+    ssl_verify: false