manifest: Update sdk-find-my revision (auto-manifest PR)

Automatically created by Github Action

Signed-off-by: Nordic Builder <[email protected]>

Author: NordicBuilder

west.yml

@@ -196,7 +196,7 @@ manifest:
           compare-by-default: false
     - name: find-my
       repo-path: sdk-find-my
-      revision: dcf78758d0efc87d62828026bf3395927380e81b
+      revision: b21b7e112e74d7df026469ce545ae749a9ace488
       groups:
         - find-my
     - name: azure-sdk-for-c