Update image default value for fluentd chart

This change updates the default image value where openstack is
used to Wallaby from newton in the fluentd chart.

Change-Id: I794062bee9e5d316e1c754544c0970da93e46dbf

fluentd/Chart.yaml

@@ -15,7 +15,7 @@ apiVersion: v1
 appVersion: v1.10.1
 description: OpenStack-Helm Fluentd
 name: fluentd
-version: 0.1.6
+version: 0.1.7
 home: https://www.fluentd.org/
 sources:
   - https://github.com/fluent/fluentd

fluentd/values.yaml

@@ -26,7 +26,7 @@ images:
   tags:
     fluentd: docker.io/openstackhelm/fluentd:latest-debian
     dep_check: quay.io/airshipit/kubernetes-entrypoint:v1.0.0
-    helm_tests: docker.io/openstackhelm/heat:newton-ubuntu_xenial
+    helm_tests: docker.io/openstackhelm/heat:wallaby-ubuntu_focal
     image_repo_sync: docker.io/library/docker:17.07.0
   pull_policy: IfNotPresent
   local_registry:

releasenotes/notes/fluentd.yaml

@@ -7,4 +7,5 @@ fluentd:
   - 0.1.4 Use full image ref for docker official images
   - 0.1.5 Kafka brokers defined as a list with port "kafka1:9092,kafka2:9020,kafka3:9092"
   - 0.1.6 Update htk requirements
+  - 0.1.7 Update default image values to Wallaby
 ...