dependabot/bundler/puma-3.12.2 Bump puma from 3.6.0 to 3.12.2

Bumps [puma](https://github.com/puma/puma) from 3.6.0 to 3.12.2.
- [Release notes](https://github.com/puma/puma/releases)
- [Changelog](https://github.com/puma/puma/blob/master/History.md)
- [Commits](https://github.com/puma/puma/compare/v3.6.0...v3.12.2)

Signed-off-by: dependabot[bot] <support@github.com>

dependabot[bot] authored GitHub committed

Push event #5.1 errored

  • Ran for
AMD64
no language set
Git
The .travis.yml file used for this job is not available
Build Config
{
  "os": [
    "linux"
  ],
  "language": "ruby"
}