build(deps-dev): bump eslint-config-airbnb-base from 13.1.0 to 14.2.1

Bumps [eslint-config-airbnb-base](https://github.com/airbnb/javascript) from 13.1.0 to 14.2.1.
- [Release notes](https://github.com/airbnb/javascript/releases)
- [Commits](airbnb/javascript@eslint-config-airbnb-base-v13.1.0...eslint-config-airbnb-base-v14.2.1)

---
updated-dependencies:
- dependency-name: eslint-config-airbnb-base
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

package-lock.json

@@ -41,7 +41,7 @@
     "coveralls": "^3.0.4",
     "env-test": "^1.0.0",
     "eslint": "^5.16.0",
-    "eslint-config-airbnb-base": "^13.1.0",
+    "eslint-config-airbnb-base": "^14.2.1",
     "eslint-plugin-import": "^2.17.3",
     "eslint-plugin-mocha": "^6.3.0",
     "mocha": "^6.1.4",