Update package.json to change pack script to prepack for improved build process

Author: daniel-sc

package.json

@@ -19,7 +19,7 @@
     "test": "bun test --coverage",
     "format": "prettier --write .",
     "typecheck": "tsc --noEmit",
-    "pack": "bun run build:types && bun run build:esm && bun run build:cjs && bun pm pack"
+    "prepack": "bun run build:types && bun run build:esm && bun run build:cjs",
   },
   "keywords": [
     "XML",