zep: rename absences to events

Author: timonegk

internal/adapter/zep/client.go

@@ -103,13 +103,13 @@ func (zep *CalendarAPI) Initialize(ctx context.Context, openBrowser bool, config
 }
 
 func (zep *CalendarAPI) EventsInTimeframe(ctx context.Context, start time.Time, end time.Time) ([]models.Event, error) {
-	absences, err := zep.ListEvents(start, end)
+	events, err := zep.ListEvents(start, end)
 	if err != nil {
-		return nil, fmt.Errorf("could not get absences %w", err)
+		return nil, fmt.Errorf("could not get zep events %w", err)
 	}
 
 	var syncEvents []models.Event
-	for _, v := range absences {
+	for _, v := range events {
 		syncEvents = append(syncEvents,
 			models.Event{
 				ICalUID:     v.ID,