fix: update trafficDistribution possible values

- update tests for opa-kube-mgmt helm chart to reflect the possible
  values for `trafficDistribution`

Signed-off-by: Jernej Porenta <jernej.porenta@3fs.si>

Author: nejec

charts/opa-kube-mgmt/values.schema.json

@@ -42,7 +42,7 @@
         },
         "trafficDistribution": {
           "type": ["null","string"],
-          "enum": ["PreferZone", "PreferSameNode", "PreferSameZone", null],
+          "enum": ["PreferClose", "PreferSameNode", "PreferSameZone", null],
           "default": null
         }
       }

test/lint/service.yaml

@@ -22,4 +22,4 @@ tests:
           errorMessage: |
             values don't meet the specifications of the schema(s) in the following chart(s):
             opa-kube-mgmt:
-            - service.trafficDistribution: service.trafficDistribution must be one of the following: "PreferZone", "PreferSameNode", "PreferSameZone", null
+            - service.trafficDistribution: service.trafficDistribution must be one of the following: "PreferClose", "PreferSameNode", "PreferSameZone", null