fix(zod-openapi): publish as cjs by default (#189)

* fix(zod-openapi): publish as cjs by default

* changeset

.changeset/hungry-seas-yell.md

@@ -0,0 +1,5 @@
+---
+'@hono/zod-openapi': patch
+---
+
+fix: publish as cjs by default

packages/zod-openapi/package.json

@@ -2,7 +2,6 @@
   "name": "@hono/zod-openapi",
   "version": "0.7.1",
   "description": "A wrapper class of Hono which supports OpenAPI.",
-  "type": "module",
   "main": "dist/index.js",
   "module": "dist/index.mjs",
   "types": "dist/index.d.ts",
@@ -15,6 +14,13 @@
     "publint": "publint",
     "release": "yarn build && yarn test && yarn publint && yarn publish"
   },
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.mts",
+      "import": "./dist/index.mjs",
+      "require": "./dist/index.js"
+    }
+  },
   "license": "MIT",
   "private": false,
   "publishConfig": {
@@ -42,4 +48,4 @@
   "engines": {
     "node": ">=16.0.0"
   }
-}
+}