Requires admin password (ie: sudo) for install

[tekumara]

❯ brew install 1password/tap/1password-cli
Running `brew update --auto-update`...
==> Auto-updated Homebrew!
Updated 3 taps (homebrew/core, homebrew/cask and homebrew/cask-drivers).
==> New Formulae
cdebug

You have 49 outdated formulae and 5 outdated casks installed.
You can upgrade them with brew upgrade
or list them with brew outdated.

==> Tapping 1password/tap
Cloning into '/opt/homebrew/Library/Taps/1password/homebrew-tap'...
remote: Enumerating objects: 90, done.
remote: Counting objects: 100% (8/8), done.
remote: Compressing objects: 100% (5/5), done.
remote: Total 90 (delta 2), reused 5 (delta 2), pack-reused 82
Receiving objects: 100% (90/90), 28.53 KiB | 811.00 KiB/s, done.
Resolving deltas: 100% (20/20), done.
Tapped 1 cask (14 files, 37.7KB).
==> Downloading https://cache.agilebits.com/dist/1P/op2/pkg/v2.12.0/op_apple_universal_v2.12.0.pkg
######################################################################## 100.0%
==> Installing Cask 1password-cli
==> Running installer for 1password-cli; your password may be necessary.
Package installers may write to any location; options such as `--appdir` are ignored.
Password:
Sorry, try again.

This means it can only be installed by an admin, and can't be automated.

What does the installer do with its admin privileges?