gh-94673: More Per-Interpreter Fields for Builtin Static Types (gh-103912)

his involves moving tp_dict, tp_bases, and tp_mro to PyInterpreterState, in the same way we did for tp_subclasses.  Those three fields are effectively const for builtin static types (unlike tp_subclasses).  In theory we only need to make their values immortal, along with their contents.  However, that isn't such a simple proposition.  (See gh-103823.)  In the meantime the simplest solution is to move the fields into the interpreter.

One alternative is to statically allocate the values, but that's its own can of worms.

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