Updating Timeline Policy on widget

Code Block 
    let networkManager = NetworkManager()
    func placeholder(in context: Context) -> SimpleEntry {
        SimpleEntry(date: Date(), configuration: ConfigurationIntent(), clubname: networkManager.clubName)
    }
 func getSnapshot(for configuration: ConfigurationIntent, in context: Context, completion: @escaping (SimpleEntry) -> ()) {
        let entry = SimpleEntry(date: Date(), configuration: configuration, clubname: networkManager.clubName)
        completion(entry)
    }
    func getTimeline(for configuration: ConfigurationIntent, in context: Context, completion: @escaping (Timeline<Entry>) -> ()) {
        var entries: [SimpleEntry] = []
        let currentDate = Date()
        for hourOffset in 0 ..< 5 {
            let entryDate = Calendar.current.date(byAdding: .hour, value: hourOffset, to: currentDate)!
            let entry = SimpleEntry(date: entryDate, configuration: configuration, clubname: networkManager.clubName)
            entries.append(entry)
        }
    
let nextUpdate = Calendar.current.date(byAdding: .hour, value: 1, to: Date())
  let timeline = Timeline(entries: entries, policy: .after(nextUpdate))
        completion(timeline)
    }
}

Code Block 
class NetworkManager: ObservableObject {
    @Published var posts = [Post]()
    @Published var clubName = "..."
    @Published var teamId = "30"
    @Published var gastMannschaft = "..."
    let testStr = UserDefaults(suiteName: "....")!.string(forKey: "test")
    func fetchData() {
        let teamId = testStr ?? "47"
        if let url = URL(string: "...=" + teamId) {.
            let session = URLSession(configuration: .default)
            let task = session.dataTask(with: url) { (gettingInfo, response, error) in
                if error == nil {
                    let decoder = JSONDecoder()
                    if let safeData = gettingInfo {
                        do {
                            let results = try decoder.decode(Results.self, from: safeData)
                            DispatchQueue.main.async {
                                 self.clubName = results.data[0].away_name
                                 if #available(iOS 14.0, *) {
                                    WidgetCenter.shared.reloadAllTimelines()
                                } else {
                                    // Fallback on earlier versions
                                }
  }
                        } catch {
print(error)
}
                    }
                }
            }
            task.resume()
        }
    }
}