Update dependency mypy to v1.19.1 (#482)

This PR contains the following updates:

| Package | Change |
[Age](https://docs.renovatebot.com/merge-confidence/) |
[Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [mypy](https://redirect.github.com/python/mypy)
([changelog](https://mypy.readthedocs.io/en/latest/changelog.html)) |
`==1.19.0` -> `==1.19.1` |
![age](https://developer.mend.io/api/mc/badges/age/pypi/mypy/1.19.1?slim=true)
|
![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/mypy/1.19.0/1.19.1?slim=true)
|

---

### Release Notes

<details>
<summary>python/mypy (mypy)</summary>

###
[`v1.19.1`](https://redirect.github.com/python/mypy/blob/HEAD/CHANGELOG.md#Mypy-1191)

[Compare
Source](https://redirect.github.com/python/mypy/compare/v1.19.0...v1.19.1)

- Fix noncommutative joins with bounded TypeVars (Shantanu, PR
[20345](https://redirect.github.com/python/mypy/pull/20345))
- Respect output format for cached runs by serializing raw errors in
cache metas (Ivan Levkivskyi, PR
[20372](https://redirect.github.com/python/mypy/pull/20372))
- Allow `types.NoneType` in match cases (A5rocks, PR
[20383](https://redirect.github.com/python/mypy/pull/20383))
- Fix mypyc generator regression with empty tuple (BobTheBuidler, PR
[20371](https://redirect.github.com/python/mypy/pull/20371))
- Fix crash involving Unpack-ed TypeVarTuple (Shantanu, PR
[20323](https://redirect.github.com/python/mypy/pull/20323))
- Fix crash on star import of redefinition (Ivan Levkivskyi, PR
[20333](https://redirect.github.com/python/mypy/pull/20333))
- Fix crash on typevar with forward ref used in other module (Ivan
Levkivskyi, PR
[20334](https://redirect.github.com/python/mypy/pull/20334))
- Fail with an explicit error on PyPy (Ivan Levkivskyi, PR
[20389](https://redirect.github.com/python/mypy/pull/20389))

</details>

---

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Author: lettuce-bot[bot]

pyproject.toml

@@ -29,7 +29,7 @@ test = [
 ]
 
 types = [
-  "mypy==1.19.0",
+  "mypy==1.19.1",
   "types-requests==2.32.4.20250913",
 ]