[teamd]: increase startsecs to 5 seconds for teamsyncd (sonic-net#4083)

Updating the startsecs=5sec for teamsyncd to make the time for which the process needs to stay up before declaring the startup successfull.

dockers/docker-teamd/supervisord.conf

@@ -36,6 +36,7 @@ stderr_logfile=syslog
 [program:teamsyncd]
 command=/usr/bin/teamsyncd
 priority=3
+startsecs=5
 autostart=false
 autorestart=false
 stdout_logfile=syslog