[CustomersDot] Update Ruby gems to support Ruby 3
This issue holds all gems that need to be updated in order to run CustomersDot on Ruby 3.2.
| Name | Works on Ruby 3? | Updated? | Breaking changes |
| ------ | ------ | ------ | ------ |
| [webmock](https://rubygems.org/gems/webmock) | Yes | Yes | No |
| [pg](https://rubygems.org/gems/pg) | Yes | Yes | No |
| [date](https://rubygems.org/gems/date) | Yes | Yes | No |
| [pry](https://rubygems.org/gems/pry) | Yes | Yes | No |
| [gitlab-styles](https://rubygems.org/gems/gitlab-styles) | Yes | Yes | No |
| [haml-rails](https://rubygems.org/gems/haml-rails) | Yes | Yes | No |
epic