Refleak after new `OrderedDict` repr

[sobolevn]

It is reported by @corona10 that after 790ff6b we have a new refleak:

• test_ordered_dict
• test_pprint
• test_trace

Looks like dcopy = PyDict_Copy((PyObject *)self); is created, but never freed :(

PR is on its way.

Linked PRs

• gh-101747: Fix refleak in new OrderedDict repr #101748

[sobolevn]

Local repro: ./python.exe -m test -v test_ordered_dict -R 3:3

test_ordered_dict leaked [1196, 1194, 1196] references, sum=3586
test_ordered_dict leaked [203, 202, 203] memory blocks, sum=608
test_ordered_dict failed (reference leak)

== Tests result: FAILURE ==

1 test failed:
    test_ordered_dict