Fix resource leak from time.NewTicker #313
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Currently resources are leaked when
EventPoller.Poll()returns from the<-ctx.Done()branch of the select because atime.Tickermust be stopped to release associated resources.This PR fixes the issue by adding a
.Stop()call on the branch. Thetime.Tickeris also switched to atime.Timersince only one event is used andtime.Timeris more suitable. Alternatively, it would be enough to just add a.Stop()call fortime.Ticker.