manifest: update sdk-zephyr, Enable PWM Twister tests

Include:
nordic: nrf54l20pdk: Add PWM to the list of supported peripherals
nrfconnect/sdk-zephyr#2487
zephyrproject-rtos/zephyr#85721

Signed-off-by: Sebastian Głąb <[email protected]>

Author: nordic-segl

west.yml

@@ -70,7 +70,7 @@ manifest:
     # https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
     - name: zephyr
       repo-path: sdk-zephyr
-      revision: 2099f1253baf80200e3831cef9f188f20e0c8c8a
+      revision: pull/2487/head
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above