How to migrate Jenkins scripted pipelines to GitHub actions? is there any tool available for this?
Are you really asking people to help you move away from the software they use?
As far as I’m aware there’s not an easy to use tool. GitHub actions is quite different from Jenkins pipeline.
If you’re talking just building software then your migration should be fairly straight forward (Linux to Linux or other OS to other OS).
But if you do other kinds of deployments with Jenkins then your migration has no straightforward path and you need to identify the strengths and weaknesses of the tool you plan to use. I would also evaluate amount of effort (i.e. is it worth it to change it? What benefits are you getting?)