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

Conflicts:
- `README.md`:
  Discarded upstream changes: we have our own README
- `app/controllers/follower_accounts_controller.rb`:
  Port upstream's minor refactoring

lib/tasks/mastodon.rake

@@ -194,7 +194,7 @@ namespace :mastodon do
 
           env['S3_HOSTNAME'] = prompt.ask('S3 hostname:') do |q|
             q.required true
-            q.default 's3-us-east-1.amazonaws.com'
+            q.default 's3.us-east-1.amazonaws.com'
             q.modify :strip
           end