Sync calico

Author: sarah-witt

calico/datadog_checks/calico/data/conf.yaml.example

@@ -595,3 +595,14 @@ instances:
     ## This is useful for cluster-level checks.
     #
     # empty_default_hostname: false
+
+    ## @param metric_patterns - mapping - optional
+    ## A mapping of metrics to include or exclude, with each entry being a regular expression.
+    ##
+    ## Metrics defined in `exclude` will take precedence in case of overlap.
+    #
+    # metric_patterns:
+    #   include:
+    #   - <INCLUDE_REGEX>
+    #   exclude:
+    #   - <EXCLUDE_REGEX>