fix: update pnpm to v10.20.0

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@10.20.0+sha512.cf9998222162dd85864d0a8102e7892e7ba4ceadebbf5a31f9c2fce48dfce317a9c53b9f6464d1ef9042cba2e02ae02a9f7c143a2b438cd93c91840f0192b9dd",
   "engines": {
     "node": ">=20"
   },