Update dependency eslint-plugin-jsx-a11y to v6

Author: renovate[bot]

package.json

@@ -36,7 +36,7 @@
     "eslint-config-airbnb": "16.1.0",
     "eslint-plugin-flowtype": "2.46.1",
     "eslint-plugin-import": "1.16.0",
-    "eslint-plugin-jsx-a11y": "2.2.3",
+    "eslint-plugin-jsx-a11y": "6.10.2",
     "eslint-plugin-react": "7.7.0",
     "flow-bin": "0.66.0",
     "git-url-parse": "6.2.2",