Merge branch 'master' into glitch-soc/merge-upstream

Conflicts:
- app/models/status.rb
- app/services/remove_status_service.rb
- db/schema.rb

All conflicts were due to the addition of a `deleted_at` attribute
to Statuses and reworked database indexes.

Gemfile

@@ -31,7 +31,7 @@ gem 'charlock_holmes', '~> 0.7.6'
 gem 'iso-639'
 gem 'chewy', '~> 5.0'
 gem 'cld3', '~> 3.2.4'
-gem 'devise', '~> 4.6'
+gem 'devise', '~> 4.7'
 gem 'devise-two-factor', '~> 3.1'
 
 group :pam_authentication, optional: true do
@@ -43,6 +43,7 @@ gem 'omniauth-cas', '~> 1.1'
 gem 'omniauth-saml', '~> 1.10'
 gem 'omniauth', '~> 1.9'
 
+gem 'discard', '~> 1.1'
 gem 'doorkeeper', '~> 5.1'
 gem 'fast_blank', '~> 1.0'
 gem 'fastimage'