[bitnami/mongodb] remove nodePort: null (#6221)

* remove nodePort: null

* bump version

Co-authored-by: release-it <release-it@tawenda.com>

bitnami/mongodb/Chart.yaml

@@ -26,4 +26,4 @@ name: mongodb
 sources:
   - https://github.com/bitnami/bitnami-docker-mongodb
   - https://mongodb.org
-version: 10.12.5
+version: 10.12.6

bitnami/mongodb/templates/replicaset/external-access-svc.yaml

@@ -34,8 +34,6 @@ spec:
       port: {{ $root.Values.externalAccess.service.port }}
       {{- if not (empty $root.Values.externalAccess.service.nodePorts) }}
       nodePort: {{ index $root.Values.externalAccess.service.nodePorts $i }}
-      {{- else }}
-      nodePort: null
       {{- end }}
       targetPort: mongodb
   selector: {{- include "common.labels.matchLabels" $ | nindent 4 }}