update to core repo tag 12b2b76 (#590)

diff --git a/helm/openwhisk/Chart.yaml b/helm/openwhisk/Chart.yaml
index 7e99922..8938e13 100644
--- a/helm/openwhisk/Chart.yaml
+++ b/helm/openwhisk/Chart.yaml
@@ -18,7 +18,7 @@
 apiVersion: v2
 type: application
 name: openwhisk
-version: 0.2.0
+version: 0.2.1
 home: https://openwhisk.apache.org
 description: Apache OpenWhisk is an open source serverless cloud platform
 icon: https://raw.githubusercontent.com/apache/openwhisk/682eb5b62ee6ba8017ab54226c2ace3637f4f1ec/docs/images/whisk_icon_full-color_with_tm_64x64-300dpi.png
diff --git a/helm/openwhisk/values.yaml b/helm/openwhisk/values.yaml
index 85105c1..4adc202 100644
--- a/helm/openwhisk/values.yaml
+++ b/helm/openwhisk/values.yaml
@@ -128,9 +128,9 @@
     includeSystemTests: false
   versions:
     openwhisk:
-      buildDate: "2020-02-14-00:17:46Z"
-      buildNo: "20200214a"
-      gitTag: "84e53daa3b9e7ecb65b106ef432f4ead8f2cb9f2"
+      buildDate: "2020-03-06-11:55:05Z"
+      buildNo: "20200306a"
+      gitTag: "12b2b76d4bef3e7c2bd990cc441e31cb3d3046be"
     openwhiskCli:
       tag: "1.0.0"
     openwhiskCatalog:
@@ -153,7 +153,7 @@
 # Images used to run auxillary tasks/jobs
 utility:
   imageName: "openwhisk/ow-utils"
-  imageTag: "84e53da"
+  imageTag: "12b2b76"
   imagePullPolicy: "IfNotPresent"
 
 # Docker registry
@@ -237,7 +237,7 @@
 # Controller configurations
 controller:
   imageName: "openwhisk/controller"
-  imageTag: "84e53da"
+  imageTag: "12b2b76"
   imagePullPolicy: "IfNotPresent"
   replicaCount: 1
   restartPolicy: "Always"
@@ -249,7 +249,7 @@
 # Invoker configurations
 invoker:
   imageName: "openwhisk/invoker"
-  imageTag: "84e53da"
+  imageTag: "12b2b76"
   imagePullPolicy: "IfNotPresent"
   restartPolicy: "Always"
   port: 8080
@@ -302,7 +302,7 @@
 # User-events configuration
 user_events:
   imageName: "openwhisk/user-events"
-  imageTag: "84e53da"
+  imageTag: "12b2b76"
   imagePullPolicy: "IfNotPresent"
   replicaCount: 1
   restartPolicy: "Always"