Adjust wording of trace_connection_negotiation GUC's description

We're not very consistent about this across all the GUCs, but the
"Logs ..." phrasing is more common than "Log ...", and is used by the
neighboring "log_connections" and "log_disconnections" GUCs, so switch
to that.

Author: Kyotaro Horiguchi
Discussion: https://www.postgresql.org/message-id/20240408.154010.1170771365226258348.horikyota.ntt@gmail.com

src/backend/utils/misc/guc_tables.c

@@ -1227,7 +1227,7 @@ struct config_bool ConfigureNamesBool[] =
 	},
 	{
 		{"trace_connection_negotiation", PGC_POSTMASTER, DEVELOPER_OPTIONS,
-			gettext_noop("Log details of pre-authentication connection handshake."),
+			gettext_noop("Logs details of pre-authentication connection handshake."),
 			NULL,
 			GUC_NOT_IN_SAMPLE
 		},