chore(deps): update dependency mypy to v1.13.0 (#463)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [mypy](https://www.mypy-lang.org/)
([source](https://redirect.github.com/python/mypy),
[changelog](https://mypy-lang.blogspot.com/)) | `==1.12.1` -> `==1.13.0`
|
[![age](https://developer.mend.io/api/mc/badges/age/pypi/mypy/1.13.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/pypi/mypy/1.13.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/pypi/mypy/1.12.1/1.13.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/mypy/1.12.1/1.13.0?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

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

###
[`v1.13.0`](https://redirect.github.com/python/mypy/compare/v1.12.1...v1.13.0)

[Compare
Source](https://redirect.github.com/python/mypy/compare/v1.12.1...v1.13.0)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined),
Automerge - At any time (no schedule defined).

🚦 **Automerge**: Disabled by config. Please merge this manually once you
are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the
rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update
again.

---

- [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check
this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/).
View the [repository job
log](https://developer.mend.io/github/iterative/gto).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOC4xMjAuMSIsInVwZGF0ZWRJblZlciI6IjM4LjEyMC4xIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6W119-->

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

pyproject.toml

@@ -49,7 +49,7 @@ tests = [
 ]
 dev = [
     "gto[tests]",
-    "mypy==1.12.1",
+    "mypy==1.13.0",
     "pylint==3.3.1",
     "types-PyYAML",
     "types-filelock",