0.29.0

Improvements

• Adopt recommended python 3.9 best practices using pyupgrade by @eskultety in #966
• Allow Cargo regenerate Cargo.lock when in permissive mode by @a-ovchinnikov in #949

Fixes

• cargo+pip: Clean up extracted tarballs from output directory by @slimreaper35 in #960
• cargo: Force old-style config to the new style by @a-ovchinnikov in #952

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Full Changelog: 0.28.0...0.29.0