Update capybara requirement from ~> 2.8 to ~> 3.14
Update capybara requirement from ~> 2.8 to ~> 3.14

Updates the requirements on [capybara](https://github.com/teamcapybara/capybara) to permit the latest version.
- [Release notes](https://github.com/teamcapybara/capybara/releases)
- [Changelog](https://github.com/teamcapybara/capybara/blob/master/History.md)
- [Commits](https://github.com/teamcapybara/capybara/compare/2.8.0...3.14.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
jgraichen/rails-timeago,jgraichen/rails-timeago