chore(deps): update dependency eslint-plugin-jsx-a11y to v6.8.0

Author: renovate[bot]

package.json

@@ -53,7 +53,7 @@
     "eslint": "7.23.0",
     "eslint-config-airbnb": "18.2.1",
     "eslint-plugin-import": "2.22.1",
-    "eslint-plugin-jsx-a11y": "6.4.1",
+    "eslint-plugin-jsx-a11y": "6.8.0",
     "eslint-plugin-react": "7.23.1",
     "husky": "5.2.0",
     "nyc": "15.1.0",