[DNM][CI TEST] west: update zephyr (blob30)

Update west to zephyr PR77916:
Adding support for SSP blob handling in version 3_0 for PTL.

Signed-off-by: Damian Nikodem <damian.nikodem@intel.com>

west.yml

@@ -43,7 +43,7 @@ manifest:
 
     - name: zephyr
       repo-path: zephyr
-      revision: 689d1edee1d57f052b1d4572d67618c0b0e2b8a4
+      revision: pull/77916/head
       remote: zephyrproject
 
       # Import some projects listed in zephyr/west.yml@revision