update icewind/smb to 3.1.0

apps/files_external/3rdparty/.gitignore

apps/files_external/3rdparty/composer.json

apps/files_external/3rdparty/composer.lock

apps/files_external/3rdparty/composer/ClassLoader.php

apps/files_external/3rdparty/composer/autoload_classmap.php

apps/files_external/3rdparty/composer/autoload_static.php

apps/files_external/3rdparty/composer/installed.json

apps/files_external/3rdparty/icewind/smb/.gitignore

apps/files_external/3rdparty/icewind/smb/.php_cs.dist

apps/files_external/3rdparty/icewind/smb/README.md

apps/files_external/3rdparty/icewind/smb/composer.json

...iles_external/3rdparty/icewind/smb/src/AbstractServer.php

...files_external/3rdparty/icewind/smb/src/AbstractShare.php

...files_external/3rdparty/icewind/smb/src/AnonymousAuth.php

apps/files_external/3rdparty/icewind/smb/src/BasicAuth.php

...party/icewind/smb/src/Exception/AccessDeniedException.php

...arty/icewind/smb/src/Exception/AlreadyExistsException.php

...rty/icewind/smb/src/Exception/AuthenticationException.php

...l/3rdparty/icewind/smb/src/Exception/ConnectException.php

...rdparty/icewind/smb/src/Exception/ConnectionException.php