[issue41490] Update bundled pip to 20.2.1 and setuptools to 49.2.1

[Pablo Galindo Salgado]

Change by Pablo Galindo Salgado <pablogsal at gmail.com>:


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pull_requests: +21546
pull_request: https://github.com/python/cpython/pull/22545

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue41490>
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