Allow SSH deploy

[pancetta]

Great action, thanks a lot for setting this up for everyone to use. I was wondering whether it is possible to use an SSH deploy key instead of a (more general) personal access token.

In particular, I'm using a separate repository for storing the benchmark results, but if I specify gh-repository the actions fails if I do not provide a token. It looks like using custom commits as described here would be the easiest way to achieve this, e.g. using this action. Alternatively, and much cleaner, the action itself could make use of an SSH key provided for pushing to the remote repository.

Any thoughts?

[marip8]

+1 for this idea. I recently used @pancetta 's suggestion with the linked action on a PR which wasn't too difficult, but having SSH support integrated would be much easier