⬆️ Bump pydantic to v2.12.5 (#68)

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
| [pydantic](https://redirect.github.com/pydantic/pydantic)
([changelog](https://docs.pydantic.dev/latest/changelog/)) | `==2.12.4`
-> `==2.12.5` |
[![age](https://developer.mend.io/api/mc/badges/age/pypi/pydantic/2.12.5?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/pydantic/2.12.4/2.12.5?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

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

###
[`v2.12.5`](https://redirect.github.com/pydantic/pydantic/releases/tag/v2.12.5):
2025-11-26

#### v2.12.5 (2025-11-26)

This is the fifth 2.12 patch release, addressing an issue with the
`MISSING` sentinel and providing several documentation improvements.

The next 2.13 minor release will be published in a couple weeks, and
will include a new *polymorphic serialization* feature addressing
the remaining unexpected changes to the *serialize as any* behavior.

- Fix pickle error when using `model_construct()` on a model with
`MISSING` as a default value by
[@&#8203;ornariece](https://redirect.github.com/ornariece) in
[#&#8203;12522](https://redirect.github.com/pydantic/pydantic/pull/12522).
- Several updates to the documentation by
[@&#8203;Viicos](https://redirect.github.com/Viicos).

**Full Changelog**:
<pydantic/pydantic@v2.12.4...v2.12.5>

</details>

---

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---

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---

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pyproject.toml

@@ -87,7 +87,7 @@ dependencies = [
     "ecdsa==0.19.1",
     "httpx==0.28.1",
     "ms_cv==0.1.1",
-    "pydantic==2.12.4",
+    "pydantic==2.12.5",
     "pytest==9.0.1",
     "pytest-asyncio==1.3.0",
     "pytest-cov==7.0.0",