chore(deps-dev): bump lint-staged from 8.2.1 to 9.0.0

Bumps [lint-staged](https://github.com/okonet/lint-staged) from 8.2.1 to 9.0.0.
- [Release notes](https://github.com/okonet/lint-staged/releases)
- [Commits](lint-staged/lint-staged@v8.2.1...v9.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -56,7 +56,7 @@
     "eslint": "^6.0.1",
     "husky": "^2.7.0",
     "jest": "^24.8.0",
-    "lint-staged": "^8.2.1",
+    "lint-staged": "^9.0.0",
     "markdownlint-cli": "^0.17.0",
     "npm-run-all": "^4.1.5",
     "prettier": "^1.18.2",