Bump cancancan from 2.0.0 to 2.2.0

[dependabot-preview]

Bumps cancancan from 2.0.0 to 2.2.0.

Changelog

Sourced from cancancan's changelog.

2.2.0 (Apr 13th, 2018)

• Include conditions passed to authorize! in AccessDenied exception (kraflab)
• Removed support for dynamic finders (coorasse)
• Support Rails 5.2 (lizzyaustad & kevintyll)
• Use ActiveSupport standard loader (BookOfGreg)

2.1.4 (Apr 09th, 2018)

• Inject cancancan in ActionController::API and ActionController::Base when they are both defined (arturoherrero)

2.1.3 (Jan 16th, 2018)

• Fix compatibility with Rails 5 API (Eric-Guo)

2.1.2 (Nov 22th, 2017)

• Various bugfixes on version 2.1.0

2.1.0 (Nov 10th, 2017)

• Adds support for Rails Api applications (coorasse & ajgon)
• Controller subclasses inherit skip_load_resource from superclass (jpmckinney)
• Fix instance variable not initialized warnings (sethcharles)
• Fix build_resource when model name is Action (anilmaurya)
• Smaller performance improvements (DNNX)
• Fix i18n lookup for unauthorized message (clemens)

Commits

• 4b1008e Merge branch 'release/2.2.0'
• 7fc3bb1 remove a white line too much
• e0c4051 bump new version and update changelog
• c9762b0 Merge pull request #496 from CanCanCommunity/feature/2.2.0
• 9258979 Merge branch 'develop' into feature/2.2.0
• a815fca Use ActiveSupport standard loader (#495)
• bba63bb Fixes SQL exception from rails 5.2 upgrade (#479)
• 169aa9d update logo or Renuo
• ce17873 Merge branch 'release/2.1.4' into develop
• 68772b4 Merge branch 'release/2.1.4'
• Additional commits viewable in compare view

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