carrierwave 2.1.0

on Ruby Gems

Added

• Support authenticated_url for Blackblaze provider(@kevivmatrix #2444)

Fixed

• Fix Ruby 2.7 deprecations(@mshibuya 9a37fc9e)
• Fix S3 path-style URL for host with dots for buckets that are placed in other regions than us-east-1(@Bonias #2439)
• Make MiniMagick::Image constant absolute to prevent misleading 'uninitialized constant' error(@p8 #2437)