manifest: Update zephyr with GPPI alignment

Update zephyr with changes required after GPPI update in nrfx.

Signed-off-by: Krzysztof Chruściński <[email protected]>

Author: nordic-krch

west.yml

@@ -66,7 +66,7 @@ manifest:
     # https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
     - name: zephyr
       repo-path: sdk-zephyr
-      revision: 43938e092d501d12df29f4da855c79b39ec49ffd
+      revision: pull/3433/head
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above