fix(deps): update dependency eslint-plugin-prettier to v4

Author: renovate-bot

packages/eslint-config-ibmdotcom/package.json

@@ -23,7 +23,7 @@
     "eslint-config-prettier": "^5.0.0",
     "eslint-plugin-import": "^2.17.3",
     "eslint-plugin-jsdoc": "^15.3.7",
-    "eslint-plugin-prettier": "^3.1.0",
+    "eslint-plugin-prettier": "^4.0.0",
     "eslint-restricted-globals": "^0.2.0"
   }
 }