deps: update dependency zipp to v3.8.1 (#308)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [zipp](https://github.com/jaraco/zipp) | `==3.6.0` -> `==3.8.1` | [![age](https://badges.renovateapi.com/packages/pypi/zipp/3.8.1/age-slim)](https://docs.renovatebot.com/merge-confidence/) | [![adoption](https://badges.renovateapi.com/packages/pypi/zipp/3.8.1/adoption-slim)](https://docs.renovatebot.com/merge-confidence/) | [![passing](https://badges.renovateapi.com/packages/pypi/zipp/3.8.1/compatibility-slim/3.6.0)](https://docs.renovatebot.com/merge-confidence/) | [![confidence](https://badges.renovateapi.com/packages/pypi/zipp/3.8.1/confidence-slim/3.6.0)](https://docs.renovatebot.com/merge-confidence/) |

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### Release Notes

<details>
<summary>jaraco/zipp</summary>

### [`v3.8.1`](https://github.com/jaraco/zipp/blob/HEAD/CHANGES.rst#v381)

[Compare Source](https://github.com/jaraco/zipp/compare/v3.8.0...v3.8.1)

\======

Refreshed packaging.

Enrolled with Tidelift.

### [`v3.8.0`](https://github.com/jaraco/zipp/blob/HEAD/CHANGES.rst#v380)

[Compare Source](https://github.com/jaraco/zipp/compare/v3.7.0...v3.8.0)

\======

Removed compatibility code.

### [`v3.7.0`](https://github.com/jaraco/zipp/blob/HEAD/CHANGES.rst#v370)

[Compare Source](https://github.com/jaraco/zipp/compare/v3.6.0...v3.7.0)

\======

Require Python 3.7 or later.

</details>

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