Bump eslint from 7.21.0 to 7.22.0 in /example (#59)

Bumps [eslint](https://github.com/eslint/eslint) from 7.21.0 to 7.22.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](https://github.com/eslint/eslint/compare/v7.21.0...v7.22.0)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

example/package.json

@@ -35,7 +35,7 @@
     "@typescript-eslint/eslint-plugin": "^4.17.0",
     "@typescript-eslint/parser": "^4.17.0",
     "babel-plugin-module-resolver": "^4.0.0",
-    "eslint": "^7.21.0",
+    "eslint": "^7.22.0",
     "eslint-config-prettier": "^8.1.0",
     "eslint-plugin-prettier": "^3.3.1",
     "eslint-plugin-react-hooks": "^4.2.0",