Update dependency pip to v23 (#7)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [pip](https://pip.pypa.io/) ([source](https://togithub.com/pypa/pip),
[changelog](https://pip.pypa.io/en/stable/news/)) | `==22.1.2` ->
`==23.0` |
[![age](https://badges.renovateapi.com/packages/pypi/pip/23.0/age-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://badges.renovateapi.com/packages/pypi/pip/23.0/adoption-slim)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://badges.renovateapi.com/packages/pypi/pip/23.0/compatibility-slim/22.1.2)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://badges.renovateapi.com/packages/pypi/pip/23.0/confidence-slim/22.1.2)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>pypa/pip</summary>

### [`v23.0`](https://togithub.com/pypa/pip/compare/22.3.1...23.0)

[Compare Source](https://togithub.com/pypa/pip/compare/22.3.1...23.0)

### [`v22.3.1`](https://togithub.com/pypa/pip/compare/22.3...22.3.1)

[Compare Source](https://togithub.com/pypa/pip/compare/22.3...22.3.1)

### [`v22.3`](https://togithub.com/pypa/pip/compare/22.2.2...22.3)

[Compare Source](https://togithub.com/pypa/pip/compare/22.2.2...22.3)

### [`v22.2.2`](https://togithub.com/pypa/pip/compare/22.2.1...22.2.2)

[Compare Source](https://togithub.com/pypa/pip/compare/22.2.1...22.2.2)

### [`v22.2.1`](https://togithub.com/pypa/pip/compare/22.2...22.2.1)

[Compare Source](https://togithub.com/pypa/pip/compare/22.2...22.2.1)

### [`v22.2`](https://togithub.com/pypa/pip/compare/22.1.2...22.2)

[Compare Source](https://togithub.com/pypa/pip/compare/22.1.2...22.2)

</details>

---

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requirements.txt

@@ -7,7 +7,7 @@ flake8-black==0.3.5
 GitPython==3.1.30
 mypy==0.991
 pdoc==12.1.0
-pip==22.1.2
+pip==23.0
 pre-commit==3.0.4
 pydantic==1.10.4
 pylint==2.14.4