fix: update pnpm to v10.15.0

Author: renovate[bot]

package.json

@@ -74,7 +74,7 @@
     "smtp-tester": "npm:@dword-design/smtp-tester-fork@^0.0.1",
     "tree-kill-promise": "^4.0.0"
   },
-  "packageManager": "pnpm@10.13.1+sha512.37ebf1a5c7a30d5fabe0c5df44ee8da4c965ca0c5af3dbab28c3a1681b70a256218d05c81c9c0dcf767ef6b8551eb5b960042b9ed4300c59242336377e01cfad",
+  "packageManager": "pnpm@10.15.0+sha512.486ebc259d3e999a4e8691ce03b5cac4a71cbeca39372a9b762cb500cfdf0873e2cb16abe3d951b1ee2cf012503f027b98b6584e4df22524e0c7450d9ec7aa7b",
   "engines": {
     "node": ">=20"
   },