[docker-teamd]: Increase teammgrd timeout to allow graceful shutdown. (#7662) (#8045)

NOTE: This is cherry-pick from 1911/2012 to master.

- Why I did it
To fix LAG IP configuration race

- How I did it
Extended timeout for teammgrd

- How to verify it
Add >80 router LAGs. Do config reload

Signed-off-by: Nazarii Hnydyn <nazariig@nvidia.com>

dockers/docker-teamd/supervisord.conf

@@ -44,6 +44,7 @@ command=/usr/bin/teammgrd
 priority=3
 autostart=false
 autorestart=false
+stopwaitsecs=60
 stdout_logfile=syslog
 stderr_logfile=syslog
 dependent_startup=true