https://learn.microsoft.com/en-us/powershell/module/az.automation/set-azautomationcertificate?view=azps-15.5.0
Set-AzAutomationCertificate (Az.Automation) | Microsoft Learn
The Set-AzAutomationCertificate cmdlet modifies the configuration of a certificate in Azure Automation.
setazautomationmicrosoftlearn