fix(zod-validator): fix commonjs import problem (#968)

* fix(zod-validator): fix commonjs import problem

* add changeset

.changeset/rude-pumpkins-compete.md

@@ -0,0 +1,5 @@
+---
+'@hono/zod-validator': patch
+---
+
+fix: fix commonjs import problem

packages/zod-validator/package.cjs.json

@@ -1,3 +0,0 @@
-{
-  "type": "commonjs"
-}

packages/zod-validator/package.json

@@ -3,14 +3,13 @@
   "version": "0.4.2",
   "description": "Validator middleware using Zod",
   "type": "module",
-  "main": "dist/index.cjs",
-  "module": "dist/index.js",
+  "main": "dist/index.js",
   "types": "dist/index.d.ts",
   "exports": {
+    "./package.json": "./package.json",
     ".": {
-      "types": "./dist/index.d.ts",
       "import": "./dist/index.js",
-      "require": "./dist/index.cjs"
+      "default": "./dist/index.cjs"
     }
   },
   "files": [