Bump database_cleaner from 1.6.2 to 1.7.0

Bumps [database_cleaner](https://github.com/DatabaseCleaner/database_cleaner) from 1.6.2 to 1.7.0.
- [Release notes](https://github.com/DatabaseCleaner/database_cleaner/releases)
- [Changelog](https://github.com/DatabaseCleaner/database_cleaner/blob/master/History.rdoc)
- [Commits](https://github.com/DatabaseCleaner/database_cleaner/compare/v1.6.2...v1.7.0)

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

Gemfile

@@ -77,7 +77,7 @@ end
 group :test do
   gem 'capybara', '~> 2.17.0'
   gem 'coveralls', '~> 0.8.22', require: false
-  gem 'database_cleaner', '~> 1.6.1'
+  gem 'database_cleaner', '~> 1.7.0'
   gem 'email_spec', '~> 2.1.0'
   gem 'rspec-rails', '~> 3.8'
   gem 'selenium-webdriver', '~> 3.10'

Gemfile.lock

@@ -123,7 +123,7 @@ GEM
     crass (1.0.4)
     daemons (1.2.6)
     dalli (2.7.6)
-    database_cleaner (1.6.2)
+    database_cleaner (1.7.0)
     debug_inspector (0.0.3)
     delayed_job (4.1.5)
       activesupport (>= 3.0, < 5.3)
@@ -512,7 +512,7 @@ DEPENDENCIES
   coveralls (~> 0.8.22)
   daemons (~> 1.2.4)
   dalli (~> 2.7.6)
-  database_cleaner (~> 1.6.1)
+  database_cleaner (~> 1.7.0)
   delayed_job_active_record (~> 4.1.3)
   devise (~> 3.5.7)
   devise-async (~> 0.10.2)