Bump prettier from 2.7.1 to 2.8.4

Bumps [prettier](https://github.com/prettier/prettier) from 2.7.1 to 2.8.4.
- [Release notes](https://github.com/prettier/prettier/releases)
- [Changelog](https://github.com/prettier/prettier/blob/main/CHANGELOG.md)
- [Commits](https://github.com/prettier/prettier/compare/2.7.1...2.8.4)

---
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

@@ -35,6 +35,6 @@
     "eslint-config-prettier": "^8.6.0",
     "eslint-plugin-github": "^4.6.0",
     "jest": "^29.4.1",
-    "prettier": "^2.7.1"
+    "prettier": "^2.8.4"
   }
 }