manifest: Update sdk-zephyr revision

Pull in changes related to removal of deprecated
RAI socket options.

Signed-off-by: Mirko Covizzi <[email protected]>

Author: MirkoCovizzi

west.yml

@@ -72,7 +72,7 @@ manifest:
     # https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
     - name: zephyr
       repo-path: sdk-zephyr
-      revision: 98194577de1a3850de578da2a26c5f355e984090
+      revision: 3b6c6e00baa6acd7a01753d7d6d0a31dca7f8920
       import:
         # In addition to the zephyr repository itself, NCS also
         # imports the contents of zephyr/west.yml at the above