perf(tests): reduce event logger sleep from 25ms to 10ms

Reduce Process.sleep delays in event_logger_test from 25ms to 10ms.
These sleeps wait for async event logging to complete.

All tests still pass with shorter delay.

test/towerops/equipment/event_logger_test.exs

@@ -129,7 +129,7 @@ defmodule Towerops.Devices.EventLoggerTest do
             {:device_event, invalid_event}
           )
 
-          Process.sleep(25)
+          Process.sleep(10)
         end)
 
       # Verify error was logged
@@ -145,7 +145,7 @@ defmodule Towerops.Devices.EventLoggerTest do
       )
 
       # Should not crash - just log and move on
-      Process.sleep(25)
+      Process.sleep(10)
 
       # EventLogger should still be running
       assert Process.whereis(EventLogger)