chore(deps): update dependency eslint-plugin-jsx-a11y to v6.8.0 (#296)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -38,7 +38,7 @@
     "eslint-config-prettier": "6.15.0",
     "eslint-plugin-import": "2.29.0",
     "eslint-plugin-jest": "23.20.0",
-    "eslint-plugin-jsx-a11y": "6.7.1",
+    "eslint-plugin-jsx-a11y": "6.8.0",
     "eslint-plugin-prettier": "3.4.1",
     "eslint-plugin-react": "7.33.2",
     "husky": "3.1.0",