build: pin pnpm version

Author: OpportunityLiu

package.json

@@ -2,7 +2,7 @@
   "name": "mirascript",
   "version": "0.1.64",
   "private": true,
-  "packageManager": "pnpm@11.12.0",
+  "packageManager": "pnpm@11.11.0",
   "type": "module",
   "engines": {
     "node": ">= 20"