build(deps-dev): bump prettier from 2.3.2 to 2.4.0

Bumps [prettier](https://github.com/prettier/prettier) from 2.3.2 to 2.4.0.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](prettier/prettier@2.3.2...2.4.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package-lock.json

@@ -52,7 +52,7 @@
     "markdownlint": "^0.24.0",
     "markdownlint-cli": "^0.28.1",
     "pluralize": "^8.0.0",
-    "prettier": "^2.3.2",
+    "prettier": "^2.4.0",
     "semver": "^7.3.5",
     "unist-util-visit-children": "^1.1.4"
   }