chore: add packageManager for corepack (#7081)

#### What type of PR is this?

/area ui
/kind improvement

#### What this PR does / why we need it:

为 UI 项目添加 packageManager 字段，以支持 [corepack](https://nodejs.org/api/corepack.html)。

#### Which issue(s) this PR fixes:

Fixes #6635

#### Special notes for your reviewer:

#### Does this PR introduce a user-facing change?

```release-note
为 UI 项目添加 packageManager 字段，以支持 [corepack](https://nodejs.org/api/corepack.html)。
```

ui/package.json

@@ -155,5 +155,6 @@
     "vite-plugin-vue-devtools": "^7.3.8",
     "vitest": "^0.34.1",
     "vue-tsc": "^2.1.6"
-  }
+  },
+  "packageManager": "[email protected]+sha512.6e2baf77d06b9362294152c851c4f278ede37ab1eba3a55fda317a4a17b209f4dbb973fb250a77abc463a341fcb1f17f17cfa24091c4eb319cda0d9b84278387"
 }