chore(deps): update dependency eslint-plugin-jsx-a11y to v6.9.0

Author: renovate[bot]

package.json

@@ -66,7 +66,7 @@
     "eslint-config-react-app": "7.0.0",
     "eslint-plugin-flowtype": "8.0.3",
     "eslint-plugin-import": "2.29.1",
-    "eslint-plugin-jsx-a11y": "6.8.0",
+    "eslint-plugin-jsx-a11y": "6.9.0",
     "eslint-plugin-react": "7.34.3",
     "flow-bin": "0.65.0",
     "gettext-to-messageformat": "0.3.1",