chore(release): bump helm chart to 0.2.0

Author: dennisme

deploy/charts/grex/Chart.yaml

@@ -2,8 +2,8 @@ apiVersion: v2
 name: grex
 description: OpAMP control plane for OpenTelemetry Collector fleets
 type: application
-version: 0.1.0
-appVersion: "0.1.0"
+version: 0.2.0
+appVersion: "0.2.0"
 
 keywords:
   - opamp