Downgrade eslint-plugin-jsx-a11y to v4.0.0 (#3131)

In Code Climate, eslint-plugin-jsx-a11y v4.0.0 is used.
Therefore, it seems that a warning is displayed.

ref https://github.com/codeclimate/codeclimate-eslint/pull/273

1 files changed, 1 insertions, 1 deletions

diff --git a/app/javascript/mastodon/features/ui/components/onboarding_modal.js b/app/javascript/mastodon/features/ui/components/onboarding_modal.js
index 419a94c2c..889ecaaff 100644
--- a/app/javascript/mastodon/features/ui/components/onboarding_modal.js
+++ b/app/javascript/mastodon/features/ui/components/onboarding_modal.js
@@ -242,7 +242,7 @@ class OnboardingModal extends React.PureComponent {
           </div>
 
           <div className='onboarding-modal__dots'>
-            {pages.map((_, i) => <div key={i} onClick={this.handleDot.bind(null, i)} className={`onboarding-modal__dot ${i === currentIndex ? 'active' : ''}`} />)}
+            {pages.map((_, i) => <div key={i} role='button' tabIndex='0' onClick={this.handleDot.bind(null, i)} className={`onboarding-modal__dot ${i === currentIndex ? 'active' : ''}`} />)}
           </div>
 
           <div>