doc: usb: update the USB device stack deprecation plans

Deprecation has been postponed for another version.

Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>

Author: jfischer-no

doc/connectivity/usb/device/usb_device.rst

@@ -27,9 +27,9 @@ over time. It provides the following functionalities:
 
 .. note::
    It is planned to deprecate all APIs listed in :ref:`usb_api` and the
-   functions that depend on them between Zephyr v4.0.0 and v4.1.0, and remove
-   them in v4.3.0. The new USB device support, represented by the APIs in
-   :ref:`usb_device_next_api`, will become the default in Zephyr v4.1.0.
+   functions that depend on them between Zephyr v4.1.0 and v4.2.0, and remove
+   them in v4.4.0. The new USB device support, represented by the APIs in
+   :ref:`usb_device_next_api`, will become the default in Zephyr v4.2.0.
 
 Supported USB classes
 *********************