[active-standby] raising log level to notice for timed oscillation c…

…onfig change (#262)

Summary:
Fixes # (issue)

Raising log level to notice for timed oscillation config change.

sign-off: Jing Zhang zhangjing@microsoft.com

Microsoft ADO (number only):
28557265

src/DbInterface.cpp

@@ -1104,7 +1104,7 @@ void DbInterface::processMuxLinkmgrConfigNotifiction(std::deque<swss::KeyOpField
                     }
                 }
 
-                MUXLOGINFO(boost::format("key: %s, Operation: %s, f: %s, v: %s") %
+                MUXLOGWARNING(boost::format("key: %s, Operation: %s, f: %s, v: %s") %
                     key %
                     operation %
                     f %