manifest: Update sdk-mcuboot revision (auto-manifest PR)

Automatically created by action-manifest-pr GH action from PR:
nrfconnect/sdk-mcuboot#688

Signed-off-by: Nordic Builder <pylon@nordicsemi.no>

Author: NordicBuilder

west.yml

@@ -129,7 +129,7 @@ manifest:
           compare-by-default: true
     - name: mcuboot
       repo-path: sdk-mcuboot
-      revision: b39452e9c7e89faa4e7d9299c6210cf31c78522f
+      revision: 3aa497d9b5ef093ad5393ee9cbba001702cc7985
       path: bootloader/mcuboot
     - name: qcbor
       repo-path: sdk-qcbor