fix: package export not detected as ESM in Vitest

Author: ghiscoding

packages/excel-builder-vanilla/package.json

@@ -27,18 +27,18 @@
   "publishConfig": {
     "access": "public"
   },
-  "main": "./dist/excel-builder.cjs",
-  "module": "./dist/excel-builder.js",
   "types": "./dist/index.d.ts",
   "exports": {
     ".": {
       "types": "./dist/index.d.ts",
-      "node": "./dist/excel-builder.cjs",
+      "import": "./dist/excel-builder.js",
       "require": "./dist/excel-builder.cjs",
-      "default": "./dist/excel-builder.js"
+      "node": "./dist/excel-builder.cjs"
     },
     "./package.json": "./package.json"
   },
+  "module": "./dist/excel-builder.js",
+  "main": "./dist/excel-builder.cjs",
   "sideEffects": false,
   "funding": {
     "type": "ko_fi",