dependabot/bundler/rack-2.2.2 Bump rack from 2.0.5 to 2.2.2

Bumps [rack](https://github.com/rack/rack) from 2.0.5 to 2.2.2.
- [Release notes](https://github.com/rack/rack/releases)
- [Changelog](https://github.com/rack/rack/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rack/rack/compare/2.0.5...v2.2.2)

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

dependabot[bot] authored GitHub committed

Push event #12.1 errored

  • Ran for
AMD64
no language set
Git
travis-ci/whereami:.travis.yml@768ae0d
language: ruby
rvm: 2.5.1
cache: bundler
env:
  global:
  - COVERAGE=1
Build Config
{
  "language": "ruby",
  "os": [
    "linux"
  ],
  "dist": "xenial",
  "rvm": [
    "2.5.1"
  ],
  "cache": {
    "bundler": true
  },
  "env": {
    "global": [
      {
        "COVERAGE": "1"
      }
    ]
  }
}