fix(velero): Bump plugin and remove legacy kubectl

values/velero/values/velero.yaml.gotmpl

@@ -1,6 +1,6 @@
 initContainers:
 - name: velero-plugin-for-aws
-  image: velero/velero-plugin-for-aws:v1.9.0
+  image: velero/velero-plugin-for-aws:v1.13.1
   imagePullPolicy: IfNotPresent
   volumeMounts:
   - mountPath: /target
@@ -72,6 +72,3 @@ metrics:
        for: 15m
        labels:
          severity: critical
-kubectl:
-  image:
-    repository: docker.io/bitnamilegacy/kubectl