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

mssonicbld · web-flow · commit ee7eaa298d8f · 2023-09-16T13:00:08.000-07:00
#### 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 (sonic-net#39) (sonic-net#58) (7 months ago) [abdosi] * 0f8d503 - Use github code scanning instead of LGTM (sonic-net#55) (8 months ago) [Liu Shilong] ```
diff --git a/src/sonic-dbsyncd b/src/sonic-dbsyncd
@@ -1 +1 @@
-Subproject commit 5cc29a1b32d8d1f4dfbc967bfea2727c50a49c76
+Subproject commit d6b20005e66b1384b504a0c088c3102be3c422f4
