chore(deps-dev): bump prettier from 2.2.1 to 2.4.1

Bumps [prettier](https://github.com/prettier/prettier) from 2.2.1 to 2.4.1.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@2.2.1...2.4.1)

---
updated-dependencies:
- dependency-name: prettier
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -46,7 +46,7 @@
     "mocha": "^8.0.1",
     "npm-run-all": "^4.1.5",
     "nyc": "^15.0.0",
-    "prettier": "2.2.1",
+    "prettier": "2.4.1",
     "proxyquire": "^2.1.0",
     "rimraf": "^3.0.0",
     "semantic-release": "^17.0.2",