JSArrayProxy_iter and JSObjectProxy_iter should not create copies: implement true iterator types

[philippedistributive]

Issue type

Bug

How did you install PythonMonkey?

None

OS platform and distribution

No response

Python version (python --version)

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PythonMonkey version (pip show pythonmonkey)

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Bug Description

implement subtype of PyListIter_Type so that no copying is required as it is now

Standalone code to reproduce the issue

import pythonmonkey as pm
a = pm.eval("[1,2]")
for i in a:
    print(i)

as well as

obj = pm.eval("({ a: 123, b: 'test' })")
result = []
for i in obj:
result.append(i)

Relevant log output or backtrace

No response

Additional info if applicable

No response

What branch of PythonMonkey were you developing on? (If applicable)

No response