Bump eslint from 7.8.1 to 7.9.0 (#31661)

Bumps [eslint](https://github.com/eslint/eslint) from 7.8.1 to 7.9.0.
- [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/v7.8.1...v7.9.0)

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

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

package.json

@@ -102,7 +102,7 @@
     "bundlewatch": "^0.3.0",
     "clean-css-cli": "^4.3.0",
     "cross-env": "^7.0.2",
-    "eslint": "^7.8.1",
+    "eslint": "^7.9.0",
     "eslint-config-xo": "^0.32.1",
     "eslint-plugin-import": "^2.22.0",
     "eslint-plugin-unicorn": "^21.0.0",