Add Infisical token-reviewer RBAC for Kubernetes Auth

Phase 2 Step 2: dedicated SA infisical-token-reviewer bound to
system:auth-delegator (TokenReview), explicit long-lived SA token Secret
(k8s 1.34 doesn't auto-create). ArgoCD ignores /data so selfHeal won't
strip the controller-populated token. Token value never committed.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

infisical-operator-rbac/clusterrolebinding-token-reviewer.yaml

@@ -0,0 +1,12 @@
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRoleBinding
+metadata:
+  name: infisical-token-reviewer-auth-delegator
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: system:auth-delegator        # grants TokenReview create
+subjects:
+  - kind: ServiceAccount
+    name: infisical-token-reviewer
+    namespace: infisical-operator