chore(deps): update npm to v11.15.0 (#931)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -5,7 +5,7 @@
   "author": "Ian Webster",
   "license": "MIT",
   "main": "lib/main.js",
-  "packageManager": "npm@11.14.0",
+  "packageManager": "npm@11.15.0",
   "scripts": {
     "build": "tsc",
     "build:watch": "tsc --watch",