manifest: Bring Zephyr with PSA RNG for nRF54h20

Brings Zephyr with PSA RNG as the default entropy
provider for the nRF54h20.

Signed-off-by: Georgios Vasilakis <[email protected]>

Author: Vge0rge

west.yml

@@ -65,7 +65,7 @@ manifest:
     # https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
     - name: zephyr
       repo-path: sdk-zephyr
-      revision: 05b8b21aa9779fb1cb19ad59e7443ebec460aeee
+      revision: pull/3346/head
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above