[submodule] Update submodule sonic-dbsyncd to the latest HEAD automatically (#14739)

#### Why I did it
src/sonic-dbsyncd
```
* d6b2000 - (HEAD -> 202012, origin/202012) Fix the LLDP_LOC_CHASSIS not getting populated if no remote neighbors are present (#39) (#58) (7 months ago) [abdosi]
* 0f8d503 - Use github code scanning instead of LGTM (#55) (8 months ago) [Liu Shilong]
```
This commit is contained in:
mssonicbld 2023-09-17 04:00:08 +08:00 committed by GitHub
parent 18534b6599
commit ee7eaa298d
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@ -1 +1 @@
Subproject commit 5cc29a1b32d8d1f4dfbc967bfea2727c50a49c76
Subproject commit d6b20005e66b1384b504a0c088c3102be3c422f4