chore: update build script

Author: Julien-R44

package.json

@@ -51,8 +51,8 @@
     "node": ">=16"
   },
   "scripts": {
-    "build": "rimraf dist && unbuild",
-    "dev": "unbuild --stub",
+    "build": "tsup",
+    "dev": "tsup",
     "lint": "eslint .",
     "format": "prettier --write .",
     "prepublishOnly": "pnpm build",
@@ -89,7 +89,6 @@
     "cross-env": "^7.0.3",
     "eslint": "^9.18.0",
     "prettier": "^3.4.2",
-    "rimraf": "^6.0.1",
     "ts-node": "^10.9.2",
     "tsup": "^8.3.5",
     "typescript": "^5.7.3",