chore: Restore secrets/delete permission

Now needed since #876

Co-authored-by: Razvan-Daniel Mihai <84674+razvan@users.noreply.github.com>

Author: NickLarsenNZ

deploy/helm/trino-operator/templates/clusterrole-operator.yaml

@@ -41,13 +41,15 @@ rules:
       - list
       - patch
   # Shared internal authentication secrets (communication key and spooling secret).
+  # Delete is needed to migrate immutable secrets to mutable ones.
   # Orphan cleanup not needed (instead, Kubernetes GC via owner reference).
   - apiGroups:
       - ""
     resources:
       - secrets
     verbs:
       - create
+      - delete
       - get
       - patch
   # RoleBinding created per TrinoCluster to bind the product ClusterRole to the workload