Resolved: Go: bufio.NewScanner works on MacOS but is skipped on Windows

fmt.Println("Please enter your role: ")
fmt.Scanf("%s", &roleName)

flag.StringVar(&startURL, "start-url", "", "AWS SSO Start URL")
flag.StringVar(&accountID, "account-id", "", "AWS Account ID to fetch credentials for")
flag.Parse()
if startURL == "" || accountID == "" || roleName == "" {
    flag.Usage()
    os.Exit(1)
}

cfg := aws.Config{Region: "eu-west-1"}

// create sso oidc client to trigger login flow
ssooidcClient := ssooidc.NewFromConfig(cfg)

// register your client which is triggering the login flow
register, err := ssooidcClient.RegisterClient(context.TODO(), &ssooidc.RegisterClientInput{
    ClientName: aws.String("sample-client-name"),
    ClientType: aws.String("public"),
    Scopes:     []string{"sso-portal:*"},
})
if err != nil {
    fmt.Println(err)
}
// authorize your device using the client registration response
deviceAuth, err := ssooidcClient.StartDeviceAuthorization(context.TODO(), &ssooidc.StartDeviceAuthorizationInput{
    ClientId:     register.ClientId,
    ClientSecret: register.ClientSecret,
    StartUrl:     aws.String(startURL),
})
if err != nil {
    fmt.Println(err)
}
// trigger OIDC login. open browser to login. close tab once login is done. press enter to continue
url := aws.ToString(deviceAuth.VerificationUriComplete)
fmt.Printf("If browser is not opened automatically, please open link:\n%v\n", url)
err = browser.OpenURL(url)
if err != nil {
    fmt.Println(err)
}

fmt.Println("Press ENTER key once login is done")
// These lines get skipped on Windows
// also tried bufio.NewReader(os.Stdin).ReadBytes('\n')
// and fmt.Scanf("%s", &test)
scanner := bufio.NewScanner(os.Stdin)
scanner.Scan()
if scanner.Err() != nil {
    fmt.Println()
}

token, err := ssooidcClient.CreateToken(context.TODO(), &ssooidc.CreateTokenInput{
    ClientId:     register.ClientId,
    ClientSecret: register.ClientSecret,
    DeviceCode:   deviceAuth.DeviceCode,
    GrantType:    aws.String("urn:ietf:params:oauth:grant-type:device_code"),
})

GOOS=darwin go build
GOOS=windows go build

scanner := bufio.NewScanner(os.Stdin)
fmt.Println("Please enter your role: ")
if !scanner.Scan() {
   // handle EOF
}
roleName = strings.TrimSpace(scanner.Text())
…
fmt.Println("Press ENTER key once login is done")
scanner.Scan()
…