west.yml: MCUboot synchronization from upstream

Update Zephyr fork of MCUboot to revision:
  f74b77cf7808919837c0ed14c2ead3918c546349

Brings following Zephyr relevant fixes:
  - f74b77cf imgtool: fix signing for fix-sig-pubkey public rsa
  - 439930ae boot_serial: Fix serial recovery for LPC55x and MCXNx

Signed-off-by: Jamie McCrae <[email protected]>

Author: nordicjm

west.yml

@@ -285,7 +285,7 @@ manifest:
       groups:
         - crypto
     - name: mcuboot
-      revision: 33de65cebaf78b306501a4195dc0ce4008315e1a
+      revision: f74b77cf7808919837c0ed14c2ead3918c546349
       path: bootloader/mcuboot
       groups:
         - bootloader