Intermittent connection issues on gracedb-playground

@rebecca.ewing reported some connection issues for the gstlalcbc user. The errors and timestamps are below:

“[Errno 111] Connection refused”
Feb 28 22:04 EST


“[Errno 110]” 
March 4 20:31 PST
March 2 21:13 PST
March 2 20:53 PST
Mar 2 20:04 PST
Mar 2 19:49 PST
Mar 2 18:42 PST
Mar 2 18:02 PST
Mar 2 16:42 PST
Mar 2 14:44 PST
Mar 2 13:56 PST
Mar 2 12:43 PST
Mar 2 13:56 PST

“HTTPSConnectionPool(host='gracedb-playground.ligo.org', port=443): Read timed out”
Mar 4 20:31 PST
Mar 2 13:56 PST