Add HorizontalPodAutoscaler permission for operator role

The HorizontalPodAutoscaler was not added to permission set for the operator
Role. The operator during GC operation log the following message:
```
W1106 11:08:59.308067       1 reflector.go:547] pkg/mod/k8s.io/[email protected]/tools/cache/reflector.go:232: failed to list *v2.HorizontalPodAutoscaler: horizontalpodautoscalers.autoscaling is forbidden: User "system:serviceaccount:redpanda:redpanda-operator" cannot list resource "horizontalpodautoscalers" in API group "autoscaling" in the namespace "redpanda"
E1106 11:08:59.308100       1 reflector.go:150] pkg/mod/k8s.io/[email protected]/tools/cache/reflector.go:232: Failed to watch *v2.HorizontalPodAutoscaler: failed to list *v2.HorizontalPodAutoscaler: horizontalpodautoscalers.autoscaling is forbidden: User "system:serviceaccount:redpanda:redpanda-operator" cannot list resource "horizontalpodautoscalers" in API group "autoscaling" in the namespace "redpanda"
```

Author: RafalKorepta

charts/operator/rbac.go

@@ -85,6 +85,11 @@ func ClusterRole(dot *helmette.Dot) []rbacv1.ClusterRole {
 					Annotations: values.Annotations,
 				},
 				Rules: []rbacv1.PolicyRule{
+					{
+						Verbs:     []string{"create", "delete", "get", "list", "patch", "update", "watch"},
+						APIGroups: []string{"autoscaling"},
+						Resources: []string{"horizontalpodautoscalers"},
+					},
 					{
 						Verbs:     []string{"delete", "get", "list", "patch", "update", "watch"},
 						APIGroups: []string{""},
@@ -476,6 +481,11 @@ func Roles(dot *helmette.Dot) []rbacv1.Role {
 				Annotations: values.Annotations,
 			},
 			Rules: []rbacv1.PolicyRule{
+				{
+					Verbs:     []string{"create", "delete", "get", "list", "patch", "update", "watch"},
+					APIGroups: []string{"autoscaling"},
+					Resources: []string{"horizontalpodautoscalers"},
+				},
 				{
 					Verbs:     []string{"delete", "get", "list", "patch", "update", "watch"},
 					APIGroups: []string{""},