SharePoint Online: How to Change the Header Banner Image in Modern Site Pages?

#Parameter
$SiteURL= "https://crescent.sharepoint.com/sites/marketing/"
$PageName = "About-us.aspx"
$PageHeaderImage = "/sites/marketing/images/banner.png"  #Server Relative URL

#Connect to PnP Online
Connect-PnPOnline -Url $SiteURL -Credentials (Get-Credential)

#Get Client Side Page
$Page = Get-PnPClientSidePage -Identity $PageName

#Set page header image
$Page.SetCustomPageHeader($PageHeaderImage)

#Save and publish the page
$Page.Save()
$Page.Publish() 

#Parameter
$SiteURL= "https://crescent.sharepoint.com/sites/marketing"
$LibraryName = "Site Pages"
$PageHeaderImage = "/sites/marketing/SiteCollectionImages/banner.png"

#Connect to PnP Online
Connect-PnPOnline -Url $SiteURL -Credentials (Get-Credential)

#Get all Pages from the Library
$Pages = Get-PnPListItem -List $LibraryName

#Loop through each Page 
ForEach($Page in $Pages)
{
    #Get the Modern Site Page - Errors on Classic Pages
    $ClientSidePage = Get-PnPClientSidePage -Identity $Page.FieldValues.FileLeafRef -ErrorAction SilentlyContinue

    If($ClientSidePage)
    {
        Set-PnPPage -Identity $ClientSidePage -HeaderType Custom -ServerRelativeImageUrl $PageHeaderImage -Publish  #-TranslateX 5.2 -TranslateY 10.5
        Write-host -f Green "Changed Banner in Page:"$Page.FieldValues.FileRef
    }
}