Bump cancancan from 2.1.2 to 2.3.0

[dependabot-preview]

Bumps cancancan from 2.1.2 to 2.3.0.

Changelog

Sourced from cancancan's changelog.

2.3.0 (Sep 16th, 2018)

• #528: Compress irrelevant rules before generating a query to optimize performances. ([coorasse][])
• #529: Remove ruby 2.2 from Travis and add ruby 2.5.1. ([coorasse][])
• #530: Predict associations names to support multiple references to the same table. ([coorasse][])
• #530: Raise a specific exception when using a wrong association name in rules definition. ([coorasse][])

2.2.0 (Apr 13th, 2018)

• #482: Include conditions passed to authorize! in AccessDenied exception. ([kraflab][])
• Removed support for dynamic finders. ([coorasse][])
• #479: Support Rails 5.2. ([lizzyaustad][])
• 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][])

Commits

• 1760baa Merge branch 'release/2.3.0'
• 721d7a1 Merge branch 'develop' of github.com:CanCanCommunity/cancancan into develop
• 300a3cc Merge branch 'feature/2.3.0' into develop
• 6ba887e Bump version
• c274523 Improve CHANGELOG formatting
• c6e4519 Merge pull request #530 from CanCanCommunity/feature/add_failing_test_for_mul...
• e4b6747 Predict associations name
• e594ee6 Update README.md
• 0cbecdf Merge pull request #528 from CanCanCommunity/feature/rules_compressor
• 73f85fb Merge branch 'feature/2.3.0' into feature/rules_compressor
• Additional commits viewable in compare view

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