Release Tidepool 0.21.0 (#328)

Author: darinkrauss

charts/tidepool/Chart.yaml

@@ -1,7 +1,7 @@
 apiVersion: v2
 description: A Helm chart for Tidepool
 name: tidepool
-version: 0.20.0
+version: 0.21.0
 maintainers:
   - name: Todd Kazakov
     email: [email protected]