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

Conflicts:
- `.github/workflows/build-image.yml`:
  Fix erroneous deletion in a previous merge.
- `Gemfile`:
  Conflict caused by glitch-soc-only hCaptcha dependency
- `app/controllers/auth/sessions_controller.rb`:
  Minor conflict due to glitch-soc's theming system.
- `app/controllers/filters_controller.rb`:
  Minor conflict due to glitch-soc's theming system.
- `app/serializers/rest/status_serializer.rb`:
  Minor conflict due to glitch-soc having an extra `local_only` property

app/controllers/auth/sessions_controller.rb

@@ -8,12 +8,18 @@ class Auth::SessionsController < Devise::SessionsController
   skip_before_action :update_user_sign_in
 
   prepend_before_action :set_pack
+  prepend_before_action :check_suspicious!, only: [:create]
 
   include TwoFactorAuthenticationConcern
 
   before_action :set_instance_presenter, only: [:new]
   before_action :set_body_classes
 
+  def check_suspicious!
+    user = find_user
+    @login_is_suspicious = suspicious_sign_in?(user) unless user.nil?
+  end
+
   def create
     super do |resource|
       # We only need to call this if this hasn't already been
@@ -148,7 +154,7 @@ class Auth::SessionsController < Devise::SessionsController
       user_agent: request.user_agent
     )
 
-    UserMailer.suspicious_sign_in(user, request.remote_ip, request.user_agent, Time.now.utc).deliver_later! if suspicious_sign_in?(user)
+    UserMailer.suspicious_sign_in(user, request.remote_ip, request.user_agent, Time.now.utc).deliver_later! if @login_is_suspicious
   end
 
   def suspicious_sign_in?(user)