Update pnpm to v10.15.0

Author: renovate[bot]

package.json

@@ -44,7 +44,7 @@
     "stylelint-config-upleveled": "1.1.10",
     "typescript": "5.9.2"
   },
-  "packageManager": "pnpm@10.14.0",
+  "packageManager": "pnpm@10.15.0",
   "pnpm": {
     "ignoredBuiltDependencies": [
       "core-js",