Silence multiple database warning

https://community.openproject.org/work_packages/51625

config/environments/production.rb

@@ -127,6 +127,11 @@ OpenProject::Application.configure do
 
   config.active_record.dump_schema_after_migration = false
 
+  # Silence the following warning
+  # "Rails couldn't infer whether you are using multiple databases from your database.yml"
+  # This is deprecated in 7.1. and the warning got removed.
+  config.active_record.suppress_multiple_database_warning = true
+
   if OpenProject::Configuration.enable_internal_assets_server?
     config.public_file_server.enabled = true
     config.public_file_server.headers = {