bpo-30282: Fix name attribute of extracted object

[xondrejk]

Attribute name of the extracted file object should hold filename of
itself rather than then of the archive it is contained in.

[the-knights-who-say-ni]

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[xondrejk]

Out of multiple options to tackle this, I've opted to not add another argument to _FileInFile retrieving the value for tarinfo.name on call and instead pass complete TarInfo instance and get the data from that. It seems to be OK with respect to the immediate state of code in the repo. I hope it's not too far off and move in the wrong direction.

[auvipy]

please add tests & release notes to ensure these changes won't create any regression

[github-actions]

This PR is stale because it has been open for 30 days with no activity.