Bump chart version to 0.9.1

Signed-off-by: Chris PC <chrispc@li-4dc2bf4c-325d-11b2-a85c-b68e8b1fc307.ibm.com>

Author: Chris PC

charts/mcp-stack/Chart.yaml

@@ -22,7 +22,7 @@ type: application
 # * appVersion   - upstream application version; shown in UIs but not
 #                  used for upgrade logic.
 # --------------------------------------------------------------------
-version: 0.9.0
+version: 0.9.1
 appVersion: "0.9.0"
 
 # Icon shown by registries / dashboards (must be an http(s) URL).