manifest: update Find My and Zephyr revision

Updated Find My and Zephyr revision to include fixes for the v2.4.0
release of the Find My add-on for nRF Connect SDK that will be part
of the next minor release.

Ref: NCSDK-22417

Signed-off-by: Kamil Piszczek <Kamil.Piszczek@nordicsemi.no>

west.yml

@@ -59,7 +59,7 @@ manifest:
  # https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/guides/modules.html
  - name: zephyr
  repo-path: sdk-zephyr
- revision: b57a7488aa3a49fe71b9a042a3d54f2d463b352b
+ revision: 75f67930b8d5616b5c0745de03b14a45fec897ac
  import:
  # In addition to the zephyr repository itself, NCS also
  # imports the contents of zephyr/west.yml at the above
@@ -184,7 +184,7 @@ manifest:
  - homekit
  - name: find-my
  repo-path: sdk-find-my
- revision: v2.4.0
+ revision: efb1ff413902e6c80f7713f00095868d70013194
  groups:
  - find-my
  - name: azure-sdk-for-c