fix: fix afterAnyInvoke hook compatibility with pnpm 4

Maybe caused by the change of resolve mechanism in pnpm 4,
calling the hook from the creator would get a `Cannot find module`
error. As a workaround, we now require and cache the module outside the
callback function.

packages/@vue/cli-plugin-eslint/generator/index.js

@@ -106,10 +106,12 @@ module.exports = (api, { config, lintOn = [] }, _, invoking) => {
   }
 }
 
+const lint = require('../lint')
+
 module.exports.hooks = (api) => {
   // lint & fix after create to ensure files adhere to chosen config
   api.afterAnyInvoke(() => {
-    require('../lint')({ silent: true }, api)
+    lint({ silent: true }, api)
   })
 }