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-preview[bot] <[email protected]>

Author: dependabot-preview[bot]

package-lock.json

@@ -41,7 +41,7 @@
     "babel-core": "7.0.0-bridge.0",
     "babel-eslint": "^10.1.0",
     "babel-jest": "^26.6.3",
-    "eslint": "^7.20.0",
+    "eslint": "^7.21.0",
     "eslint-config-prettier": "^8.1.0",
     "eslint-loader": "^4.0.2",
     "eslint-plugin-nuxt": "^2.0.0",