doc/api: Add missing parameter to python prototype for config_new_section

doc/en/weechat_plugin_api.en.adoc

@@ -6190,6 +6190,7 @@ def config_new_section(config_file: str, name: str,
                        user_can_add_options: int, user_can_delete_options: int,
                        callback_read: str, callback_read_data: str,
                        callback_write: str, callback_write_data: str,
+                       callback_write_default: str, callback_write_default_data: str,
                        callback_create_option: str, callback_create_option_data: str,
                        callback_delete_option: str, callback_delete_option_data: str) -> str: ...
 

doc/fr/weechat_plugin_api.fr.adoc

@@ -6287,6 +6287,7 @@ def config_new_section(config_file: str, name: str,
                        user_can_add_options: int, user_can_delete_options: int,
                        callback_read: str, callback_read_data: str,
                        callback_write: str, callback_write_data: str,
+                       callback_write_default: str, callback_write_default_data: str,
                        callback_create_option: str, callback_create_option_data: str,
                        callback_delete_option: str, callback_delete_option_data: str) -> str: ...
 

doc/it/weechat_plugin_api.it.adoc

@@ -6406,6 +6406,7 @@ def config_new_section(config_file: str, name: str,
                        user_can_add_options: int, user_can_delete_options: int,
                        callback_read: str, callback_read_data: str,
                        callback_write: str, callback_write_data: str,
+                       callback_write_default: str, callback_write_default_data: str,
                        callback_create_option: str, callback_create_option_data: str,
                        callback_delete_option: str, callback_delete_option_data: str) -> str: ...
 

doc/ja/weechat_plugin_api.ja.adoc

@@ -6209,6 +6209,7 @@ def config_new_section(config_file: str, name: str,
                        user_can_add_options: int, user_can_delete_options: int,
                        callback_read: str, callback_read_data: str,
                        callback_write: str, callback_write_data: str,
+                       callback_write_default: str, callback_write_default_data: str,
                        callback_create_option: str, callback_create_option_data: str,
                        callback_delete_option: str, callback_delete_option_data: str) -> str: ...
 

doc/sr/weechat_plugin_api.sr.adoc

@@ -5991,6 +5991,7 @@ def config_new_section(config_file: str, name: str,
                        user_can_add_options: int, user_can_delete_options: int,
                        callback_read: str, callback_read_data: str,
                        callback_write: str, callback_write_data: str,
+                       callback_write_default: str, callback_write_default_data: str,
                        callback_create_option: str, callback_create_option_data: str,
                        callback_delete_option: str, callback_delete_option_data: str) -> str: ...
 

src/plugins/python/weechat.pyi

@@ -228,6 +228,7 @@ def config_new_section(config_file: str, name: str,
                        user_can_add_options: int, user_can_delete_options: int,
                        callback_read: str, callback_read_data: str,
                        callback_write: str, callback_write_data: str,
+                       callback_write_default: str, callback_write_default_data: str,
                        callback_create_option: str, callback_create_option_data: str,
                        callback_delete_option: str, callback_delete_option_data: str) -> str:
     """`config_new_section in WeeChat plugin API reference <https://weechat.org/doc/api#_config_new_section>`_"""