[issue46119] Update bundled pip to 21.3.1 and setuptools to 59.7.0

[Éric Araujo]

Change by Éric Araujo <merwok at netwok.org>:


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components: +Library (Lib) -Distutils
nosy: +ncoghlan, pradyunsg -eric.araujo
type:  -> enhancement

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue46119>
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