chore(deps): update dependency mypy to v1.4.1 (#1171)

[![Mend
Renovate](https://app.renovatebot.com/images/banner.svg)](https://renovatebot.com)

This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| [mypy](https://www.mypy-lang.org/)
([source](https://togithub.com/python/mypy),
[changelog](https://mypy-lang.blogspot.com/)) | `1.1.1` -> `1.4.1` |
[![age](https://developer.mend.io/api/mc/badges/age/pypi/mypy/1.4.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![adoption](https://developer.mend.io/api/mc/badges/adoption/pypi/mypy/1.4.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/pypi/mypy/1.1.1/1.4.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/pypi/mypy/1.1.1/1.4.1?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

---

### Release Notes

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

### [`v1.4.1`](https://togithub.com/python/mypy/compare/v1.4.0...v1.4.1)

[Compare
Source](https://togithub.com/python/mypy/compare/v1.4.0...v1.4.1)

### [`v1.4.0`](https://togithub.com/python/mypy/compare/v1.3.0...v1.4.0)

[Compare
Source](https://togithub.com/python/mypy/compare/v1.3.0...v1.4.0)

### [`v1.3.0`](https://togithub.com/python/mypy/compare/v1.2.0...v1.3.0)

[Compare
Source](https://togithub.com/python/mypy/compare/v1.2.0...v1.3.0)

### [`v1.2.0`](https://togithub.com/python/mypy/compare/v1.1.1...v1.2.0)

[Compare
Source](https://togithub.com/python/mypy/compare/v1.1.1...v1.2.0)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - "every weekend" in timezone Etc/UTC,
Automerge - "before 07:00" in timezone Etc/UTC.

🚦 **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 has been generated by [Mend
Renovate](https://www.mend.io/free-developer-tools/renovate/). View
repository job log
[here](https://developer.mend.io/github/canonical/charmcraft).

<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzNi44LjExIiwidXBkYXRlZEluVmVyIjoiMzYuOC4xMSIsInRhcmdldEJyYW5jaCI6Im1haW4ifQ==-->

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

Author: renovate[bot]

tox.ini

@@ -91,7 +91,7 @@ description = Static type checking
 base = testenv
 deps =
     # renovate: datasource=pypi
-    mypy[reports]==1.1.1
+    mypy[reports]==1.4.1
 env_dir = {work_dir}/typing
 runner = ignore_env_name_mismatch
 package = editable