update notification manager

Author: sanzmauro

lib/splitclient-rb/sse/notification_manager_keeper.rb

@@ -14,8 +14,8 @@ def initialize(config, telemetry_runtime_producer, status_queue)
         @telemetry_runtime_producer = telemetry_runtime_producer
         @status_queue = status_queue
         @publisher_available = Concurrent::AtomicBoolean.new(true)
-        @publishers_pri = Concurrent::AtomicFixnum.new(1)
-        @publishers_sec = Concurrent::AtomicFixnum.new(1)
+        @publishers_pri = Concurrent::AtomicFixnum.new(2)
+        @publishers_sec = Concurrent::AtomicFixnum.new(2)
       end
 
       def handle_incoming_occupancy_event(event)