feat(charts/kafka-ui): fix versions in charts.yaml

Signed-off-by: Nicolas BOURON <nicolas.bouron@gmail.com>

charts/kafka-ui/Chart.yaml

@@ -2,6 +2,6 @@ apiVersion: v2
 name: kafka-ui
 description: A Helm chart for kafka-UI
 type: application
-version: 0.7.2
-appVersion: v0.7.2
+version: 0.6.3
+appVersion: v0.6.3
 icon: https://github.com/provectus/kafka-ui/raw/master/documentation/images/kafka-ui-logo.png