chore(deps-dev): bump eslint from 7.20.0 to 7.21.0

Bumps [eslint](https://github.com/eslint/eslint) from 7.20.0 to 7.21.0.
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/master/CHANGELOG.md)
- [Commits](eslint/eslint@v7.20.0...v7.21.0)

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

package.json

@@ -44,7 +44,7 @@
     "@commitlint/test-environment": "^9.0.1",
     "commitlint-plugin-function-rules": "^1.3.2",
     "conventional-changelog-cli": "^2.1.1",
-    "eslint": "^7.20.0",
+    "eslint": "^7.21.0",
     "eslint-config-airbnb-base": "^14.2.1",
     "eslint-config-node": "^4.1.0",
     "eslint-config-prettier": "^7.2.0",