config: 增加小程序主包大小限制到 4MB

- 企业小程序: 添加 maxSinglePackageSize: 4 配置
- 人才小程序: 添加 maxSinglePackageSize: 4 配置
- 解决开发版预览时代码体积超过 2MB 限制的问题

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Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

mini-talent/project.config.json

@@ -11,5 +11,6 @@
     "postcss": false,
     "minified": true
   },
-  "compileType": "miniprogram"
+  "compileType": "miniprogram",
+  "maxSinglePackageSize": 4
 }

mini/project.config.json

@@ -11,5 +11,6 @@
     "postcss": false,
     "minified": true
   },
-  "compileType": "miniprogram"
+  "compileType": "miniprogram",
+  "maxSinglePackageSize": 4
 }