Your link refers to the 23.05 stable release channel, so it'd likely stay at 2.11. Package updates don't get backported to stable channels except for fixes. Additionally, the package search page probably isn't updated in real time so the version might be slightly out of sync.
Nixpkgs is generally quick to update packages because Nix encourages automation.
- Nixpkgs (3 days ago): https://nixpk.gs/pr-tracker.html?pr=238031
- Homebrew (3 days ago): https://github.com/Homebrew/homebrew-core/pull/133968
Your link refers to the 23.05 stable release channel, so it'd likely stay at 2.11. Package updates don't get backported to stable channels except for fixes. Additionally, the package search page probably isn't updated in real time so the version might be slightly out of sync.
Nixpkgs is generally quick to update packages because Nix encourages automation.