[submodule] update sonic-snmpagent (#7123)

qiluo-msft · web-flow · commit f609c6a53669 · 2021-03-23T14:38:56.000-07:00
Includes commits: ``` 8f1526f 2021-03-22 | Temporarily lower the logging level for invalid FDB, which is a known issue on Mellanox (#206) [Qi Luo] ```
diff --git a/src/sonic-snmpagent b/src/sonic-snmpagent
@@ -1 +1 @@
-Subproject commit a8c6e360eb572ff79bde088ed09057153c5bc440
+Subproject commit 8f1526f98d0c206c37adb1c2a2fb67e3f8034aa0
