How to center align the Expander header text in Xamarin.Forms (SfExpander)?

<ContentPage xmlns="http://xamarin.com/schemas/2014/forms"
             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
             xmlns:syncfusion="clr-namespace:Syncfusion.XForms.Expander;assembly=Syncfusion.Expander.XForms"
             x:Class="ExpanderXamarin.MainPage">
    <ContentPage.Content>
        <ScrollView BackgroundColor="#EDF2F5">
            <StackLayout>
                <syncfusion:SfExpander>
                    <syncfusion:SfExpander.Header>
                        <Grid HeightRequest="50">
                            <Label Text="Veg Pizza" TextColor="#495F6E" VerticalTextAlignment="Center" HorizontalTextAlignment="Center"/>
                        </Grid>
                    </syncfusion:SfExpander.Header>
                    <syncfusion:SfExpander.Content>
                        <Grid Padding="10,10,10,10" BackgroundColor="#FFFFFF">
                            <Label BackgroundColor="#FFFFFF" HeightRequest="50" Text="Veg pizza is prepared with the items that meet vegetarian standards by not including any meat or animal tissue products." TextColor="#303030" VerticalTextAlignment="Center"/>
                        </Grid>
                    </syncfusion:SfExpander.Content>
                </syncfusion:SfExpander>
 
                <syncfusion:SfExpander>
                    <syncfusion:SfExpander.Header>
                        <Grid HeightRequest="50">
                            <Label Text="Non-veg Pizza" TextColor="#495F6E" VerticalTextAlignment="Center" HorizontalTextAlignment="Center"/>
                        </Grid>
                    </syncfusion:SfExpander.Header>
                    <syncfusion:SfExpander.Content>
                        <Grid Padding="10,10,10,10" BackgroundColor="#FFFFFF">
                            <Label Text="Non-veg pizza is prepared by including the meat and animal tissue products." HeightRequest="50" TextColor="#303030" VerticalTextAlignment="Center"/>
                        </Grid>
                    </syncfusion:SfExpander.Content>
                </syncfusion:SfExpander>
            </StackLayout>
        </ScrollView>
    </ContentPage.Content>
</ContentPage>