chore(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

@@ -47,6 +47,6 @@
   "devDependencies": {
     "graphql": "^15.5.3",
     "graphql-markdown": "^6.0.0",
-    "prettier": "^2.3.2"
+    "prettier": "^2.4.0"
   }
 }