Update dependency eslint-plugin-jsx-a11y to v6.2.0

Author: renovate-bot

package-lock.json

@@ -50,7 +50,7 @@
     "eslint": "5.12.1",
     "eslint-config-airbnb": "17.1.0",
     "eslint-plugin-import": "2.15.0",
-    "eslint-plugin-jsx-a11y": "6.1.2",
+    "eslint-plugin-jsx-a11y": "6.2.0",
     "eslint-plugin-react": "7.12.4",
     "file-loader": "3.0.1",
     "gh-pages": "2.0.1",