[incubator/kafka] Revise the zookeeper child chart dependency to 2.0.0 (#16290)

* chore: bump the zookeeper chart version to 2.0.0

Signed-off-by: Kealan Murphy <kealan.murphy@aspect.com>

* Update Chart.yaml

Signed-off-by: Maor Friedman <maor.friedman@redhat.com>

incubator/kafka/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v1
 description: Apache Kafka is publish-subscribe messaging rethought as a distributed
   commit log.
 name: kafka
-version: 0.16.4
+version: 0.17.0
 appVersion: 5.0.1
 keywords:
 - kafka

incubator/kafka/requirements.lock

@@ -1,6 +1,6 @@
 dependencies:
 - name: zookeeper
   repository: https://kubernetes-charts-incubator.storage.googleapis.com/
-  version: 1.3.1
-digest: sha256:999c6b2e0886316ebf1709a44523fe87ee63cf09db66949babbcc1c6d5210723
-generated: 2019-05-24T09:49:23.731997103+02:00
+  version: 2.0.0
+digest: sha256:a564a1ed1f76137e5562d5fb598f45998812fa166e94fc1ba44a2f7774df920d
+generated: 2019-08-13T14:56:29.724627+01:00

incubator/kafka/requirements.yaml

@@ -1,5 +1,5 @@
 dependencies:
 - name: zookeeper
-  version: 1.3.1
+  version: 2.0.0
   repository: https://kubernetes-charts-incubator.storage.googleapis.com/
   condition: kafka.zookeeper.enabled,zookeeper.enabled