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

Conflicts:
- `.github/dependabot.yml`:
  Updated upstream, removed in glitch-soc to disable noise.
  Kept removed.
- `CODE_OF_CONDUCT.md`:
  Upstream updated to a new version of the covenant, but I have not read it
  yet, so kept unchanged.
- `Gemfile.lock`:
  Not a real conflict, one upstream dependency updated textually too close to
  the glitch-soc only `hcaptcha` dependency.
  Applied upstream changes.
- `app/controllers/admin/base_controller.rb`:
  Minor conflict due to glitch-soc's theming system.
  Applied upstream changes.
- `app/controllers/application_controller.rb`:
  Minor conflict due to glitch-soc's theming system.
  Applied upstream changes.
- `app/controllers/disputes/base_controller.rb`:
  Minor conflict due to glitch-soc's theming system.
  Applied upstream changes.
- `app/controllers/relationships_controller.rb`:
  Minor conflict due to glitch-soc's theming system.
  Applied upstream changes.
- `app/controllers/statuses_cleanup_controller.rb`:
  Minor conflict due to glitch-soc's theming system.
  Applied upstream changes.
- `app/helpers/application_helper.rb`:
  Minor conflict due to glitch-soc's theming system.
  Applied upstream changes.
- `app/javascript/mastodon/features/compose/components/compose_form.jsx`:
  Upstream added a highlight animation for onboarding, while we changed the
  max character limit.
  Applied our local changes on top of upstream's new version.
- `app/views/layouts/application.html.haml`:
  Minor conflict due to glitch-soc's theming system.
  Applied upstream changes.
- `stylelint.config.js`:
  Upstream added ignore paths, glitch-soc had extra ignore paths.
  Added the same paths as upstream.

lib/mastodon/accounts_cli.rb

@@ -102,7 +102,8 @@ module Mastodon
           say('Use --force to reattach it anyway and delete the other user')
           return
         elsif account.user.present?
-          DeleteAccountService.new.call(account, reserve_email: false)
+          DeleteAccountService.new.call(account, reserve_email: false, reserve_username: false)
+          account = Account.new(username: username)
         end
       end
 
@@ -543,7 +544,7 @@ module Mastodon
       if options[:all]
         User.pending.find_each(&:approve!)
         say('OK', :green)
-      elsif options[:number]
+      elsif options[:number]&.positive?
         User.pending.limit(options[:number]).each(&:approve!)
         say('OK', :green)
       elsif username.present?
@@ -557,6 +558,7 @@ module Mastodon
         account.user&.approve!
         say('OK', :green)
       else
+        say('Number must be positive', :red) if options[:number]
         exit(1)
       end
     end