chore(deps-dev): bump eslint-plugin-prettier from 3.4.0 to 4.2.1

Bumps [eslint-plugin-prettier](https://github.com/prettier/eslint-plugin-prettier) from 3.4.0 to 4.2.1.
- [Release notes](https://github.com/prettier/eslint-plugin-prettier/releases)
- [Changelog](https://github.com/prettier/eslint-plugin-prettier/blob/master/CHANGELOG.md)
- [Commits](https://github.com/prettier/eslint-plugin-prettier/commits/v4.2.1)

---
updated-dependencies:
- dependency-name: eslint-plugin-prettier
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -27,7 +27,7 @@
     "eslint-config-standard": "^16.0.3",
     "eslint-plugin-import": "^2.23.4",
     "eslint-plugin-node": "^11.1.0",
-    "eslint-plugin-prettier": "^3.4.0",
+    "eslint-plugin-prettier": "^4.2.1",
     "eslint-plugin-promise": "^5.1.0",
     "eslint-plugin-vue": "^7.12.1",
     "gray-matter": "^4.0.3",