charts: Bump Headlamp version to v0.22.0

Signed-off-by: Joaquim Rocha <joaquim.rocha@microsoft.com>

Author: joaquimrocha

charts/headlamp/Chart.yaml

@@ -20,8 +20,8 @@ sources:
 maintainers:
   - name: kinvolk
     url: https://kinvolk.io/
-version: 0.17.1
-appVersion: 0.21.0
+version: 0.18.0
+appVersion: 0.22.0
 annotations:
   artifacthub.io/category: monitoring-logging
   artifacthub.io/license: Apache-2.0