Feature: support impersonation

[JaapWeijland]

Hi there,

I am using a service account to upload a backup of my database to drive. Using your default method, I run into upload quota because service accounts have their own, non-configurable upload quota. In order to use the upload qouta from my google business, I need to leverage impersonation. However, I can't use this with this action, because you need to configure this impersonation on code level, and there is no parameter available to do so currently.

In the meantime, I am using this action: https://github.com/Jumbo810/Upload_Github_Artifacts_TO_GDrive, which works fine but it seems a bit abandoned. I am using the owner parameter which does exactly what I want. Could you also implement this feature?

Issue to Stack Overflow for context: https://stackoverflow.com/questions/40535355/how-to-fix-the-storage-exceeded-issue-for-google-drive-when-uploading-using-serv