update plugin with pnpm

step 1: pnpm upgrade 
the console show 

```
 WARN  Issues with peer dependencies found
.
└─┬ @vue/eslint-config-prettier
  └── ✕ unmet peer eslint-plugin-prettier@^3.1.0: found 4.0.0
```

does it only support versions below 4.0.0 with eslint-plugin-prettier
