Update Grafana from v6.4.2 to v6.4.3

* https://github.com/grafana/grafana/releases/tag/v6.4.3

CHANGES.md

@@ -4,6 +4,12 @@ Notable changes between versions.
 
 ## Latest
 
+#### Addons
+
+* Update Grafana from v6.4.2 to v6.4.3
+
+## v1.16.2
+
 * Kubernetes [v1.16.2](https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG-1.16.md#v1162)
 * Update etcd from v3.4.1 to v3.4.2 ([#570](https://github.com/poseidon/typhoon/pull/570))
 * Update Calico from v3.9.1 to [v3.9.2](https://docs.projectcalico.org/v3.9/release-notes/)

addons/grafana/deployment.yaml

@@ -23,7 +23,7 @@ spec:
     spec:
       containers:
         - name: grafana
-          image: docker.io/grafana/grafana:6.4.2
+          image: docker.io/grafana/grafana:6.4.3
           env:
             - name: GF_PATHS_CONFIG
               value: "/etc/grafana/custom.ini"