Jest: switch from Parameters to StorybookInternalParameters

[yannbf]

Issue: N/A

What I did

• There was a type change which moved fileName away from Parameters. This PR adjusts the type to the newly added StorybookInternalParameters type.

How to test

• Is this testable with Jest or Chromatic screenshots?
• Does this need a new example in the kitchen sink apps?
• Does this need an update to the documentation?

If your answer is yes to any of these, please make sure to include it in your PR.

[kasperpeulen]

LGTM, not sure why this was not found in my PR.

There are probably more places where we can use this type, but I wanted to do that in another ticket, where we really gonna find the right types for all Parameters (including all addons in the monorepo).