Bump zipp from 3.3.0 to 3.3.2

Bumps zipp from 3.3.0 to 3.3.2.

Changelog

Sourced from zipp's changelog.

v3.3.2

Updated project metadata including badges.

v3.3.1

bpo-42043: Add tests capturing subclassing requirements.

Commits

• b31acb5 Update changelog.
• b6742a5 Merge https://github.com/jaraco/skeleton into master
• 1311cec use add-github-secrets, which infers the secrets needed from the github workf...
• ca9ad41 Drop tests on Travis, Appveyor, and Azure Pipelines.
• 6ad08b8 Test on Python 3.9. Skip 3.7 to avoid creating too many builds. Release on 3.9.
• 5474714 Use RTD v2 config
• c74c8a2 Update changelog.
• 6071d21 Merge https://github.com/jaraco/skeleton
• 9e2b456 Add test ensuring subclass behaviors are retained during traversal.
• dcd7cbd Refresh docs to prefer Github Actions to Azure Pipelines. Ref jaraco/skeleton...
• Additional commits viewable in compare view