Merge pull request #222 from marcoroth:patch-1

Remove duplicate `menu` target in `slideover` controller

src/slideover.js

@@ -2,7 +2,7 @@ import Dropdown from './dropdown.js'
 import { transition } from './transition'
 
 export default class extends Dropdown {
-  static targets = ['menu', 'overlay', 'close']
+  static targets = ['overlay', 'close']
 
   openValueChanged() {
     transition(this.overlayTarget, this.openValue)