Enabling log-correlation by default

Change-Id: I0b3fc8b199a86a48af3bf6db6818067ecf1a957e
diff --git a/voltha-stack/Chart.yaml b/voltha-stack/Chart.yaml
index 8ae9c62..b56c1b2 100644
--- a/voltha-stack/Chart.yaml
+++ b/voltha-stack/Chart.yaml
@@ -28,7 +28,7 @@
 name: voltha-stack
 
 appVersion: "2.8-dev"
-version: 0.2.7
+version: 0.2.8
 
 dependencies:
   - name: voltha