fix: wrong exports (#62)

Author: kazupon

package.json

@@ -47,7 +47,7 @@
     "eslint-config-prettier": "^10.0.1",
     "prettier": "^3.5.2",
     "tinybench": "^4.0.1",
-    "tsdown": "^0.9.7",
+    "tsdown": "^0.15.4",
     "tsx": "^4.19.1",
     "typescript": "^5.7.3",
     "typescript-eslint": "^8.40.0",
@@ -60,22 +60,22 @@
     ".": {
       "types": "./dist/t.d.ts",
       "import": "./dist/t.js",
-      "require": "./dist/t.cjs"
+      "require": "./dist/t.js"
     },
     "./citty": {
       "types": "./dist/citty.d.ts",
       "import": "./dist/citty.js",
-      "require": "./dist/citty.cjs"
+      "require": "./dist/citty.js"
     },
     "./cac": {
       "types": "./dist/cac.d.ts",
       "import": "./dist/cac.js",
-      "require": "./dist/cac.cjs"
+      "require": "./dist/cac.js"
     },
     "./commander": {
       "types": "./dist/commander.d.ts",
       "import": "./dist/commander.js",
-      "require": "./dist/commander.cjs"
+      "require": "./dist/commander.js"
     }
   },
   "packageManager": "[email protected]+sha512.486ebc259d3e999a4e8691ce03b5cac4a71cbeca39372a9b762cb500cfdf0873e2cb16abe3d951b1ee2cf012503f027b98b6584e4df22524e0c7450d9ec7aa7b"