chore(other-deps): ⬆️ update pnpm to v8.15.6

Author: renovate[bot]

package.json

@@ -12,7 +12,7 @@
     "packages/*",
     "apps/*"
   ],
-  "packageManager": "[email protected].5",
+  "packageManager": "[email protected].6",
   "keywords": [
     "bottomsheet",
     "js-bottomsheet",