Update dependency eslint-plugin-jsx-a11y to v6.4.1

Author: renovate-bot

package.json

@@ -103,7 +103,7 @@
     "eslint-loader": "4.0.2",
     "eslint-plugin-import": "2.22.0",
     "eslint-plugin-jest": "23.20.0",
-    "eslint-plugin-jsx-a11y": "6.3.1",
+    "eslint-plugin-jsx-a11y": "6.4.1",
     "eslint-plugin-prettier": "3.1.4",
     "eslint-plugin-react": "7.21.5",
     "eslint-watch": "7.0.0",