refactor: copy index.d.ts with cp

Author: Marco Muser

packages/openapi-fetch/package.json

@@ -51,7 +51,7 @@
     "build:clean": "del dist",
     "build:ts": "tsc -p tsconfig.build.json",
     "build:ts-min": "esbuild --bundle src/index.ts --format=esm --minify --outfile=dist/index.min.js && cp dist/index.d.ts dist/index.min.d.ts",
-    "build:cjs": "esbuild --bundle src/index.ts --format=cjs --outfile=dist/cjs/index.cjs && node ./scripts/copy-types-cjs.js",
+    "build:cjs": "esbuild --bundle src/index.ts --format=cjs --outfile=dist/cjs/index.cjs && cp dist/index.d.ts dist/cjs/index.d.cts",
     "lint": "pnpm run lint:js",
     "lint:js": "eslint \"{src,test}/**/*.{js,ts}\"",
     "lint:prettier": "prettier --check \"{src,test}/**/*\"",