chore(deps): update dependency mypy to >=1.18,<1.19 (hetznercloud#555)

Coming soon: The Renovate bot (GitHub App) will be renamed to Mend. PRs
from Renovate will soon appear from 'Mend'. Learn more
[here](https://redirect.github.com/renovatebot/renovate/discussions/37842).

This PR contains the following updates:

| Package | Change | Age | Confidence |
|---|---|---|---|
| [mypy](https://redirect.github.com/python/mypy)
([changelog](https://mypy.readthedocs.io/en/latest/changelog.html)) |
`>=1.17,<1.18` -> `>=1.18,<1.19` |
[![age](https://developer.mend.io/api/mc/badges/age/pypi/mypy/1.18.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/mypy/1.17.1/1.18.2?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

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

###
[`v1.18.2`](https://redirect.github.com/python/mypy/blob/HEAD/CHANGELOG.md#Mypy-1182)

[Compare
Source](https://redirect.github.com/python/mypy/compare/v1.18.1...v1.18.2)

- Fix crash on recursive alias (Ivan Levkivskyi, PR
[19845](https://redirect.github.com/python/mypy/pull/19845))
- Add additional guidance for stubtest errors when runtime is
`object.__init__` (Stephen Morton, PR
[19733](https://redirect.github.com/python/mypy/pull/19733))
- Fix handling of None values in f-string expressions in mypyc
(BobTheBuidler, PR
[19846](https://redirect.github.com/python/mypy/pull/19846))

###
[`v1.18.1`](https://redirect.github.com/python/mypy/compare/v1.17.1...v1.18.1)

[Compare
Source](https://redirect.github.com/python/mypy/compare/v1.17.1...v1.18.1)

</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/hetznercloud/hcloud-python).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MS45Ny4xMCIsInVwZGF0ZWRJblZlciI6IjQxLjk3LjEwIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6W119-->

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

Author: renovate[bot]

setup.py

@@ -50,7 +50,7 @@
             "pylint>=3,<3.4",
             "pytest>=8,<8.5",
             "pytest-cov>=7,<7.1",
-            "mypy>=1.17,<1.18",
+            "mypy>=1.18,<1.19",
             "types-python-dateutil",
             "types-requests",
         ],