doc: releases: 4.0: Add LVGL capture sample to Video

The LVGL pull request was started before v3.7 release but merged
after, so needs to be included in v4.0 release notes. This was an
omission in commit 467f311.

Signed-off-by: Josuah Demangeon <[email protected]>

Author: josuah

doc/releases/release-notes-4.0.rst

@@ -678,6 +678,8 @@ Drivers and Sensors
     :kconfig:option:`CONFIG_VIDEO_BUFFER_USE_SHARED_MULTI_HEAP`
   * Introduced bindings for common video link properties in ``video-interfaces.yaml``
   * Introduced missing :kconfig:option:`CONFIG_VIDEO_LOG_LEVEL`
+  * Added a sample for capturing video and displaying it with LVGL
+    (:zephyr:code-sample:`video-capture-to-lvgl`)
   * Added support for GalaxyCore GC2145 image sensor (:dtcompatible:`gc,gc2145`)
   * Added support for ESP32-S3 LCD-CAM interface (:dtcompatible:`espressif,esp32-lcd-cam`)
   * Added support for NXP MCUX SMARTDMA interface (:dtcompatible:`nxp,smartdma`)