Broken on Ruby 3.5 not built with `--with-readline` flag

[MatzFan]

Running bundle exec guard on Ruby 3.5-preview1 results in:

$ be guard
12:06:12 - INFO - Guard::Minitest 2.4.6 is running, with Minitest::Unit 5.25.5!
12:06:12 - INFO - Guard is now watching at '/home/me/gitlab/riseup_vpn'
Sorry, you can't use Pry without Readline or a compatible library. 
Possible solutions: 
 * Rebuild Ruby with Readline support using `--with-readline` 
 * Use the rb-readline gem, which is a pure-Ruby port of Readline 
 * Use the pry-coolline gem, a pure-ruby alternative to Readline
Error: private method 'readline' called for nil
...

Upstream issue with Pry here.

Workaround is to add rb-readline gem to the project.