Support /.well-known/change-password (#8828)

Fix #8771

config/routes.rb

@@ -21,6 +21,7 @@ Rails.application.routes.draw do
 
   get '.well-known/host-meta', to: 'well_known/host_meta#show', as: :host_meta, defaults: { format: 'xml' }
   get '.well-known/webfinger', to: 'well_known/webfinger#show', as: :webfinger
+  get '.well-known/change-password', to: redirect('/auth/edit')
   get 'manifest', to: 'manifests#show', defaults: { format: 'json' }
   get 'intent', to: 'intents#show'
   get 'custom.css', to: 'custom_css#show', as: :custom_css