chore: update dts output path

Author: ivodolenc

bundler.config.ts

@@ -3,6 +3,6 @@ import { defineConfig } from '@hypernym/bundler'
 export default defineConfig({
   entries: [
     { input: './src/index.ts' },
-    { dts: './src/types.ts', output: './dist/index.d.mts' },
+    { dts: './src/types.ts', output: './dist/index.d.ts' },
   ],
 })