Add packageManager to submodules (#15318)

scripts/tools/eslint-plugin-prettier-internal-rules/package.json

@@ -10,5 +10,6 @@
   "scripts": {
     "test": "node test.js",
     "test-coverage": "npx nyc node test.js"
-  }
+  },
+  "packageManager": "yarn@3.6.3"
 }