Set up automated testing on hardware

[jessebraham]

Over the coming weeks we will come up with a plan for adding automated testing on hardware for this repository, likely as a scheduled workflow.

As the path forward becomes more clear I will continue to update this issue with information and tasks as needed.

• Set up a self-hosted runner with the required devices physically connected
  • Come up with a full list of required devices and ensure all are connected
• Create a workflow for Github Actions to invoke the testing process

Currently blocked on #466

[jessebraham]

A self-hosted runner has been set up with a number of devices connected to it.

[SergioGasquez]

For reference, here is the test suite that esptool is currently using:

• Source
• Docs

[jessebraham]

I think this will need to slip into next quarter, unfortunately. Once HIL testing in esp-hal has been sorted I can shift my focus here (unless somebody else feels like taking over).