roc-umbrella: releasing 2.1.18 for API v0.10.9

Change-Id: Iebe3a23b8e8f27e04873805946cdeed1d0525190
diff --git a/aether-roc-gui/Chart.yaml b/aether-roc-gui/Chart.yaml
index 7a2be31..06c9686 100644
--- a/aether-roc-gui/Chart.yaml
+++ b/aether-roc-gui/Chart.yaml
@@ -7,7 +7,7 @@
 description: Aether ROC Graphical User Interface
 kubeVersion: ">=1.15.0"
 type: application
-version: 2.1.11
+version: 2.1.12
 appVersion: 2.0.0
 keywords:
   - aether