fix: add missing .d.cts files while building plugin-kit (#445)

Author: liangmiQwQ

packages/plugin-kit/package.json

@@ -33,7 +33,7 @@
   "homepage": "https://github.com/eslint/rewrite/tree/main/packages/plugin-kit#readme",
   "scripts": {
     "build:dedupe-types": "node ../../tools/dedupe-types.js dist/cjs/index.cjs dist/esm/index.js",
-    "build:cts": "node ../../tools/build-cts.js dist/esm/index.d.ts dist/cjs/index.d.cts",
+    "build:cts": "node ../../tools/build-cts.js dist/esm/index.d.ts dist/cjs/index.d.cts && node -e \"fs.cpSync('dist/esm/types.d.ts', 'dist/cjs/types.d.cts')\"",
     "build": "rollup -c && npm run build:dedupe-types && tsc -p tsconfig.esm.json && npm run build:cts",
     "lint:types": "attw --pack",
     "pretest": "npm run build",