chore(electron): downgrade electron to v31 (#8095)

fix AF-1337
it seems the way how we load web worker file in electron no longer works.
created an upstream issue in https://github.com/electron/electron/issues/43556

packages/frontend/electron-api/package.json

@@ -9,6 +9,6 @@
   },
   "devDependencies": {
     "@toeverything/infra": "workspace:*",
-    "electron": "^32.0.0"
+    "electron": "^31.0.0"
   }
 }