add a script for update

package-lock.json

@@ -9,7 +9,8 @@
       "version": "1.0.0",
       "dependencies": {
         "he": "^1.2.0",
-        "node-fetch": "^3.3.2"
+        "node-fetch": "^3.3.2",
+        "yarn": "^1.22.22"
       },
       "devDependencies": {
         "sass": "^1.69.5"
@@ -621,6 +622,20 @@
       "engines": {
         "node": ">= 8"
       }
+    },
+    "node_modules/yarn": {
+      "version": "1.22.22",
+      "resolved": "https://registry.npmjs.org/yarn/-/yarn-1.22.22.tgz",
+      "integrity": "sha512-prL3kGtyG7o9Z9Sv8IPfBNrWTDmXB4Qbes8A9rEzt6wkJV8mUvoirjU0Mp3GGAU06Y0XQyA3/2/RQFVuK7MTfg==",
+      "hasInstallScript": true,
+      "license": "BSD-2-Clause",
+      "bin": {
+        "yarn": "bin/yarn.js",
+        "yarnpkg": "bin/yarn.js"
+      },
+      "engines": {
+        "node": ">=4.0.0"
+      }
     }
   }
 }