Node 22.15.0 was released in April 23 but it looks like Vercel is still using 22.14
Vercel CLI 41.7.3
> Detected ENABLE_EXPERIMENTAL_COREPACK=1 and "pnpm@10.10.0" in package.json
Warning: Detected "engines": { "node": ">=22.15.0" } in your `package.json` that will automatically upgrade when a new major Node.js Version is released. Learn More: http://vercel.link/node-version
Running "install" command: `pnpm install --frozen-lockfile`...
! Corepack is about to download https://registry.npmjs.org/pnpm/-/pnpm-10.10.0.tgz
WARN Unsupported engine: wanted: {"node":">=22.15.0"} (current: {"node":"v22.14.0","pnpm":"10.10.0"})