fix(vscode): fix package.json

Author: rohanku

plugins/vscode/package.json

@@ -49,7 +49,7 @@
         "compile": "tsc -b",
         "watch": "tsc -b -w",
         "lint": "eslint",
-        "postinstall": "cd client && npm install && cd ..",
+        "postinstall": "cd client && npm install && cd .."
     },
     "devDependencies": {
         "@eslint/js": "^9.13.0",