bump chart version

Signed-off-by: AvivGuiser <avivguiser@gmail.com>

Author: KyriosGN0

charts/pmm/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: pmm
 description: A Helm chart for Percona Monitoring and Management (PMM)
 type: application
-version: 1.7.0
+version: 1.6.0
 appVersion: "3.6.0"
 home: https://github.com/percona/pmm
 maintainers: