Update pry dependency to support pry 0.15

[coalest]

Description

This PR removes the dependency on pry < 0.15.

Reason for PR:

I get this warning after upgrading to Ruby 3.4.1:

versions/3.4.1/lib/ruby/gems/3.4.0/gems/pry-0.14.2/lib/pry/command_state.rb:3: warning: .rbenv/versions/3.4.1/lib/ruby/3.4.0/ostruct.rb was loaded from the standard library, [250/5650]
o longer be part of the default gems starting from Ruby 3.5.0.
You can add ostruct to your Gemfile or gemspec to silence this warning.
Also please contact the author of pry-0.14.2 to request adding ostruct into its gemspec.
ruby/3.4.1 isn't supported by this pry-doc version

But pry-nav is preventing me from upgrading to pry-0.15 where the issue has been fixed.

[kimyu-ng]

We need to merge this PR and make a release under v1.0.1

cc @iloveitaly

[iloveitaly]

Not using ruby anymore, unfortunately. Someone else will have to help with this.

[kimyu-ng]

Not using ruby anymore, unfortunately. Someone else will have to help with this.

It resolves this issue as well: #44

1. We just need to merge this PR in
2. gem build
3. gem push

Unfortunately, except the maintainer, none of us has such permission to do those things

[kimyu-ng]

cc @nixme since he has the permission as well

[ssoulless]

@nixme @banister @ConradIrwin @benizi @jasonrclark @ivoanjo @iloveitaly Any of you guys who can give perms or pay attention to this? thanks! 🙏

[ivoanjo]

Unfortunately I don't have access to do releases, so while I could merge this change in, we'd still need someone else to get it out :/

[iloveitaly]

@ssoulless I don't have the permissions to grant new users on the repository and unfortunately I don't work with Ruby anymore and can't help out here.