Add inputs properties for each input in composite action

[elad-pticha]

Is your feature request related to a problem? Please describe.
Yes, when querying composite actions, I would like to filter to inputs with a specific value. We don't have that information right now.

Describe the solution you'd like
I would like each input will have additional details about him. Right now, the CompositeAction Node has a property of inputs, which is a list of inputs. I would like each input will have additional values, such as default value.

Describe alternatives you've considered
No alternatives in Raven for now.

Additional context
CompositeAction Node right now:

CompositeAction additional details:
In this case, I would like a way to filter for the CompositeAction Node that contains input with a default value of ${{ github.token }}