fix(helm-chart): update helm release snapshot-controller to 2.2.2

| datasource | package             | from  | to    |
| ---------- | ------------------- | ----- | ----- |
| helm       | snapshot-controller | 2.2.0 | 2.2.2 |

Author: Trux-Bot

kubernetes/hegira/apps/system-controllers/snapshot-controller/app/helmrelease.yaml

@@ -10,7 +10,7 @@ spec:
   chart:
     spec:
       chart: snapshot-controller
-      version: 2.2.0
+      version: 2.2.2
       sourceRef:
         kind: HelmRepository
         name: piraeus