Update dependency pydantic to v2.4.2 (#346)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [pydantic](https://togithub.com/pydantic/pydantic)
([changelog](https://docs.pydantic.dev/latest/changelog/)) | `==2.4.1`
-> `==2.4.2` |
[![age](https://developer.mend.io/api/mc/badges/age/pypi/pydantic/2.4.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/pypi/pydantic/2.4.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/pypi/pydantic/2.4.1/2.4.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/pydantic/2.4.1/2.4.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

<details>
<summary>pydantic/pydantic (pydantic)</summary>

###
[`v2.4.2`](https://togithub.com/pydantic/pydantic/blob/HEAD/HISTORY.md#v242-2023-09-27)

[Compare
Source](https://togithub.com/pydantic/pydantic/compare/v2.4.1...v2.4.2)

[GitHub
release](https://togithub.com/pydantic/pydantic/releases/tag/v2.4.2)

##### What's Changed

##### Fixes

- Fix bug with JSON schema for sequence of discriminated union by
[@&#8203;dmontagu](https://togithub.com/dmontagu) in
[#&#8203;7647](https://togithub.com/pydantic/pydantic/pull/7647)
- Fix schema references in discriminated unions by
[@&#8203;adriangb](https://togithub.com/adriangb) in
[#&#8203;7646](https://togithub.com/pydantic/pydantic/pull/7646)
- Fix json schema generation for recursive models by
[@&#8203;adriangb](https://togithub.com/adriangb) in
[#&#8203;7653](https://togithub.com/pydantic/pydantic/pull/7653)
- Fix `models_json_schema` for generic models by
[@&#8203;adriangb](https://togithub.com/adriangb) in
[#&#8203;7654](https://togithub.com/pydantic/pydantic/pull/7654)
- Fix xfailed test for generic model signatures by
[@&#8203;adriangb](https://togithub.com/adriangb) in
[#&#8203;7658](https://togithub.com/pydantic/pydantic/pull/7658)

##### New Contributors

- [@&#8203;austinorr](https://togithub.com/austinorr) made their first
contribution in
[#&#8203;7657](https://togithub.com/pydantic/pydantic/pull/7657)
- [@&#8203;peterHoburg](https://togithub.com/peterHoburg) made their
first contribution in
[#&#8203;7670](https://togithub.com/pydantic/pydantic/pull/7670)

</details>

---

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requirements.txt

@@ -8,7 +8,7 @@ nest_asyncio==1.5.8
 pdoc==14.1.0
 pip==23.2.1
 pre-commit==3.4.0
-pydantic==2.4.1
+pydantic==2.4.2
 pytest==7.4.2
 pytest-asyncio==0.21.1
 pytest-cov==4.1.0