chore: re-release browser pool profile change as 0.72.0

The browser pool profile change (#2484) shipped as 0.71.1 (patch) by mistake;
re-releasing under a correct minor version.

Release-As: 0.72.0
BREAKING CHANGE: browser pool `profile` is now `BrowserPoolProfile` (id/name only); `save_changes` is no longer accepted on pool profiles. Wire-compatible for inline callers; typed callers must update. Sending `save_changes` on a pool used to return `400` and is now silently ignored.

Author: IlyaasK