[submodule] Update submodule sonic-ztp to the latest HEAD automatically (#18097)

#### Why I did it
src/sonic-ztp
```
* 56cebae - (HEAD -> master, origin/master, origin/HEAD) Enhancements to allow custom umask usage while executing plugins (#42) (2 hours ago) [rajendra-dendukuri]
```
#### How I did it
#### How to verify it
#### Description for the changelog
This commit is contained in:
mssonicbld 2024-02-15 10:33:38 +08:00 committed by GitHub
parent fe0a5e1285
commit 7b8c135e6c
No known key found for this signature in database
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@ -1 +1 @@
Subproject commit 739470d666a1ed4f62dd29af2316eb7d70366ace
Subproject commit 56cebaeec285c74ef531fa7b8436febe85547608