Bump chart to 0.5.0 (#322)

Author: michaeljguarino

charts/deployment-operator/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: deployment-operator
 description: creates a new instance of the plural deployment operator
 appVersion: 0.5.0
-version: 0.4.56
+version: 0.5.0
 maintainers:
   - name: Plural
     url: https://www.plural.sh