fix(release): 补齐香港 Worker 权限与精确回滚

生产容量控制器原 Role 仅允许访问宁波 Worker，香港 Worker 启用后导致 reconciliation 返回 403。补齐香港 Deployment 及 scale 子资源权限。

同时将失败发布的 Deployment 恢复从合并式 apply 改为基于资源版本的精确 replace，并优先删除发布前不存在的站点，避免新增环境变量残留导致回滚卡死。

验证：bash -n、ShellCheck、cluster release helper、manual release 与差异检查均通过。

deploy/kubernetes/production/service-account-rbac.yaml

@@ -48,11 +48,11 @@ metadata:
 rules:
   - apiGroups: ["apps"]
     resources: ["deployments"]
-    resourceNames: ["easyai-worker-ningbo"]
+    resourceNames: ["easyai-worker-ningbo", "easyai-worker-hongkong"]
     verbs: ["get"]
   - apiGroups: ["apps"]
     resources: ["deployments/scale"]
-    resourceNames: ["easyai-worker-ningbo"]
+    resourceNames: ["easyai-worker-ningbo", "easyai-worker-hongkong"]
     verbs: ["get", "update", "patch"]
   - apiGroups: [""]
     resources: ["pods"]