Don't require the unused ostruct gem

[ilkecan]

Description of the change

ostruct is still being required while not used.

rollbar-gem/lib/rollbar/notifier.rb

Line 12 in 11f60a3

require 'ostruct'

.direnv/ruby/bundler/gems/rollbar-gem-11f60a36888b/lib/rollbar/notifier.rb:12: warning: /nix/store/kjbc5w8aygsszla6ww1a43x8lazv70mj-ruby-3.4.0-rc1/lib/ruby/3.4.0+1/ostruct.rb was loaded from the standard library, but will no 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.

Type of change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Maintenance
• New release

Related issues

Shortcut stories and GitHub issues (delete irrelevant)

• Warning about logger and ostruct in Ruby v3.3.5 #1165
• possibly missed by Remove OpenStruct from the project (solve warnings) #1169

Checklists

Development

• Lint rules pass locally
• The code changed/added as part of this pull request has been covered with tests
• All tests related to the changed code pass in development

Code review

• This pull request has a descriptive title and information useful to a reviewer. There may be a screenshot or screencast attached
• "Ready for review" label attached to the PR and reviewers assigned
• Issue from task tracker has a link to this pull request
• Changes have been reviewed by at least one other engineer

[waltjones]

@ilkecan Thank you for the PR!