GH-128563: Add new frame owner type for interpreter entry frames

[markshannon]

The interpreter variable entry_frame is not accessible in the JIT, nor will it be in the tailcalling interpreter.

By adding a new "owner" kind for frames, we can mark entry frames as such without adding another field.

• Issue: A new tail-calling interpreter for significantly better interpreter performance #128563

[colesbury]

What's the point of FRAME_OWNED_BY_CSTACK now? It doesn't look like it's used at all.