AETHER-3341 bump versions for aether-2.1 development

Change-Id: I91b24967f6369de1f0abd0a13be020fadbbd8d96
diff --git a/aether-roc-websocket/Chart.yaml b/aether-roc-websocket/Chart.yaml
index e3cb8d5..b635d2d 100644
--- a/aether-roc-websocket/Chart.yaml
+++ b/aether-roc-websocket/Chart.yaml
@@ -7,7 +7,7 @@
 description: Aether ROC Websocket
 kubeVersion: ">=1.15.0"
 type: application
-version: 1.1.1
+version: 1.2.0
 appVersion: v0.8.7
 keywords:
   - aether