Bump devise from 4.7.1 to 4.7.2

Bumps devise from 4.7.1 to 4.7.2.

Changelog

Sourced from devise's changelog.

4.7.2 - 2020-06-10

• enhancements

  • Increase default stretches to 12 (by @​sergey-alekseev)
  • Ruby 2.7 support (kwarg warnings removed)

• bug fixes

  • Generate scoped views with proper scoped errors partial (by @​shobhitic)
  • Allow to set scoped already_authenticated error messages (by @​gurgelrenan)

Commits

• 16f27b3 Bump to v4.7.2
• 87108ad Merge pull request #5250 from hyuraku/remove_useless_rails51
• 6d37e32 remove useless rails51? method
• a3c0c65 Devise no longer supports Rails 3.2 since version 4 [ci skip]
• 2c1b5fb Update changelog with latest [ci skip]
• 50f820a Use master of Rails controller testing gem to remove Ruby 2.7 warning
• 34d9053 Remove unnecessary monkey-patch of test helpers with Rails 5+
• 94be5fb Remove mocha deprecation warning
• 14a3084 Simplify the view generator with scoped views
• bbbff3a Add changelog entry for #5067 [ci skip]
• Additional commits viewable in compare view