Swift GooglePlacesAPIのオートコンプリート機能を使おうとするとエラーになる

エラー内容

PlacesAPIを使用し、オートコンプリートを機能を実装したところ、以下のerrorメッセージとともにautocompleteControllerが強制終了してしまいます

Error: Error Domain=com.google.places.ErrorDomain Code=-4 "Operation failed due to an invalid (malformed or missing) API key. See the developer's guide (https://developers.google.com/places/ios-sdk/start) for information on creating and using an API key." UserInfo={NSLocalizedFailureReason=Operation failed due to an invalid (malformed or missing) API key. See the developer's guide (https://developers.google.com/places/ios-sdk/start) for information on creating and using an API key., NSUnderlyingError=0x281f85410 {Error Domain=com.google.places.api.server.ErrorDomain Code=-2 "REQUEST_DENIED" UserInfo={NSLocalizedFailureReason=You must enable Billing on the Google Cloud Project at https://console.cloud.google.com/project/_/billing/enable Learn more at https://developers.google.com/maps/gmp-get-started, NSLocalizedDescription=REQUEST_DENIED}}}

試したこと

GoogleCloudPlatformに請求先アカウントを追加
APIキーの制限として、iosアプリのみ、バンドルIDを設定済み

↓このように有効にはなっています

AppDelegate.swift

import UIKit
import GoogleMaps
import GooglePlaces

@main
class AppDelegate: UIResponder, UIApplicationDelegate {

    let cGoogleMapsAPIKey = "***"
    
    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
        // Override point for customization after application launch.
        GMSPlacesClient.provideAPIKey(cGoogleMapsAPIKey)
        GMSServices.provideAPIKey(cGoogleMapsAPIKey)
        return true
    }

    // MARK: UISceneSession Lifecycle

    func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
        // Called when a new scene session is being created.
        // Use this method to select a configuration to create the new scene with.
        return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
    }

    func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
        // Called when the user discards a scene session.
        // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
        // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
    }


}

実装中のコード

import UIKit
import GooglePlaces




class AddTicketViewController: UIViewController {
    @IBOutlet weak var addressTextField: UITextField!
    
 
    override func viewDidLoad() {
        super.viewDidLoad()
 
    }
    
    
    @IBAction func addressTap(_ sender: Any) {
        let autocompleteController = GMSAutocompleteViewController()
        autocompleteController.delegate = self

        // オートコンプリート用のViewの表示
        present(autocompleteController, animated: true, completion: nil)
    }
    
    
    
    func textFieldShouldReturn(_ textField: UITextField) -> Bool {
        textField.resignFirstResponder()
        return true
    }
    
    override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
        view.endEditing(true)
    }


}



//PlaceAPI
extension AddTicketViewController: GMSAutocompleteViewControllerDelegate {

    // オートコンプリートで場所が選択した時に呼ばれる関数
    func viewController(_ viewController: GMSAutocompleteViewController, didAutocompleteWith place: GMSPlace) {
         // 名前をoutletに設定
        addressTextField.text = place.formattedAddress
        print(place)
        print("Place name: (place.name)")
        print("Place address: (place.formattedAddress)")
        print("Place attributions: (place.attributions)")
        dismiss(animated: true, completion: nil)
    }

    func viewController(_ viewController: GMSAutocompleteViewController, didFailAutocompleteWithError error: Error) {
        // TODO: handle the error.
        print("Error: (error)")
        dismiss(animated: true, completion: nil)
    }

    // User cancelled the operation.
    func wasCancelled(_ viewController: GMSAutocompleteViewController) {
        print("Autocomplete was cancelled.")
        dismiss(animated: true, completion: nil)
    }
}

こちらの記事を参考に実装しました
https://qiita.com/ron214_ron/items/5149ce7c5578dc0d72ce