manifest: sdk-zephyr: deprecate fixed passkey

Manifest update to depracate and replace BT_FIXED_PADDKEY

Signed-off-by: alperen sener <[email protected]>

Author: m-alperen-sener

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: cefb2ed86ac723218c509ef7ceae2509bb1f89f6
+      revision: pull/3466/head
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above