roc-umbrella: releasing 2.0.8 for new roc-api v0.9.2

Change-Id: Ie132508a0e713af2566645493893f701e177d6e1
diff --git a/aether-roc-gui-v4/Chart.yaml b/aether-roc-gui-v4/Chart.yaml
index b6001a7..f2ca4f7 100644
--- a/aether-roc-gui-v4/Chart.yaml
+++ b/aether-roc-gui-v4/Chart.yaml
@@ -7,7 +7,7 @@
 description: Aether ROC Graphical User Interface
 kubeVersion: ">=1.15.0"
 type: application
-version: 4.0.14
+version: 4.0.15
 appVersion: 4.0.0
 keywords:
   - aether