Bump mypy from 1.5.0 to 1.5.1 (#226)

Bumps [mypy](https://github.com/python/mypy) from 1.5.0 to 1.5.1.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/python/mypy/commit/de4f2ad99c88b885677247534dcec335621ade4d"><code>de4f2ad</code></a>
[Release 1.5] Bump version to 1.5.1 to pick up last 2 CPs</li>
<li><a
href="https://github.com/python/mypy/commit/2ff7c0de571d434a9a1f82fa183d32fa32999b40"><code>2ff7c0d</code></a>
[release 1.5] stubtest: Fix <code>__mypy-replace</code> false positives
(<a
href="https://redirect.github.com/python/mypy/issues/15689">#15689</a>)
(<a
href="https://redirect.github.com/python/mypy/issues/15751">#15751</a>)</li>
<li><a
href="https://github.com/python/mypy/commit/373b73abeb14fdd1f3021f4c27fe1721d2986ed4"><code>373b73a</code></a>
[Release 1.5] Update typing_extensions stubs (<a
href="https://redirect.github.com/python/mypy/issues/15745">#15745</a>)</li>
<li>See full diff in <a
href="https://github.com/python/mypy/compare/v1.5.0...v1.5.1">compare
view</a></li>
</ul>
</details>
<br />


[![Dependabot compatibility
score](https://dependabot-badges.githubapp.com/badges/compatibility_score?dependency-name=mypy&package-manager=pip&previous-version=1.5.0&new-version=1.5.1)](https://docs.github.com/en/github/managing-security-vulnerabilities/about-dependabot-security-updates#about-compatibility-scores)

Dependabot will resolve any conflicts with this PR as long as you don't
alter it yourself. You can also trigger a rebase manually by commenting
`@dependabot rebase`.

[//]: # (dependabot-automerge-start)
[//]: # (dependabot-automerge-end)

---

<details>
<summary>Dependabot commands and options</summary>
<br />

You can trigger Dependabot actions by commenting on this PR:
- `@dependabot rebase` will rebase this PR
- `@dependabot recreate` will recreate this PR, overwriting any edits
that have been made to it
- `@dependabot merge` will merge this PR after your CI passes on it
- `@dependabot squash and merge` will squash and merge this PR after
your CI passes on it
- `@dependabot cancel merge` will cancel a previously requested merge
and block automerging
- `@dependabot reopen` will reopen this PR if it is closed
- `@dependabot close` will close this PR and stop Dependabot recreating
it. You can achieve the same result by closing it manually
- `@dependabot show <dependency name> ignore conditions` will show all
of the ignore conditions of the specified dependency
- `@dependabot ignore this major version` will close this PR and stop
Dependabot creating any more for this major version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this minor version` will close this PR and stop
Dependabot creating any more for this minor version (unless you reopen
the PR or upgrade to it yourself)
- `@dependabot ignore this dependency` will close this PR and stop
Dependabot creating any more for this dependency (unless you reopen the
PR or upgrade to it yourself)


</details>