Bump database_cleaner from 1.7.0 to 1.8.0

Created by: dependabot-preview[bot]

Bumps database_cleaner from 1.7.0 to 1.8.0.

Changelog

Sourced from database_cleaner's changelog.

== 1.8.0 2018-04-19

=== Bug Fixes

• Fix MySQL deprecation warnings with Rails 5: DatabaseCleaner/database_cleaner#574
• Fix MySQL truncation with pre_count: true: DatabaseCleaner/database_cleaner#498
• Fix primary key sequence resetting in Sequel with Postgres and SQLite: DatabaseCleaner/database_cleaner#538
• ActiveRecord truncation adapter doesn't work with Oracle: DatabaseCleaner/database_cleaner#542

=== Changes

• Extract ORM adapters into gems: DatabaseCleaner/database_cleaner#560
• Allow postgres:///dbname as a local url: DatabaseCleaner/database_cleaner#569
• Add an optional URL whitelist safeguard: DatabaseCleaner/database_cleaner#526
• Add local tld to safeguard check: DatabaseCleaner/database_cleaner#547
• Speed up ActiveRecord deletion strategy: DatabaseCleaner/database_cleaner#534
• Consider sqlite: database urls to be local: DatabaseCleaner/database_cleaner#529

Commits

• ec3d5d8 update changelog for v1.8.0.
• b082309 release v1.8.0.
• d038523 bump adapter lock files.
• ccdb5aa use bundler gem tasks for main gem.
• f2c613d require yaml where its used, instead of in gemspec.
• 4473e47 update Gemfile locks for new beta version.
• 844184e release v1.8.0.beta.
• db6b5d1 modernize gemspec.
• 16b4f7d Merge pull request #607 from DatabaseCleaner/dont_deprecate_active_record
• a77a050 fix flaky autodetection test.
• Additional commits viewable in compare view

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