[submodule] Update submodule sonic-dbsyncd to the latest HEAD automatically (#17418)

#### Why I did it
src/sonic-dbsyncd
```
* 68baf40 - (HEAD -> 202305, origin/202305) [lldp-syncd] Fix unexpected exception in snmp-subagent (#64) (18 hours ago) [Zhaohui Sun]
```
#### How I did it
#### How to verify it
#### Description for the changelog
This commit is contained in:
mssonicbld 2023-12-06 16:34:22 +08:00 committed by GitHub
parent 3cb68edac5
commit a0d2968273
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@ -1 +1 @@
Subproject commit e4ac9068be56595c53b4f3d320d72bb7d10bd368 Subproject commit 68baf40a239367da25e2c32f2d0dec2603811ea8