Update contributing.md

Author: sxzz

.github/contributing.md

@@ -63,7 +63,7 @@ Hi! I'm really excited that you are interested in contributing to Vue.js. Before
 
 You will need [Node.js](https://nodejs.org) **version 18.12+**, and [PNPM](https://pnpm.io) **version 8+**.
 
-We also recommend installing [ni](https://github.com/antfu/ni) to help switching between repos using different package managers. `ni` also provides the handy `nr` command which running npm scripts easier.
+We also recommend installing [@antfu/ni](https://github.com/antfu/ni) to help switching between repos using different package managers. `ni` also provides the handy `nr` command which running npm scripts easier.
 
 After cloning the repo, run: