chore: use latest pnpm

Author: posva

package.json

@@ -2,7 +2,7 @@
   "name": "vuefire",
   "version": "3.0.1",
   "description": "Official Firebase bindings for Vue.js",
-  "packageManager": "pnpm@7.20.0",
+  "packageManager": "pnpm@7.25.1",
   "type": "module",
   "exports": {
     ".": {