Merge #836

836: Bump mypy from 1.4.1 to 1.5.1 r=sanders41 a=dependabot[bot]

Bumps [mypy](https://github.com/python/mypy) from 1.4.1 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><a href="https://github.com/python/mypy/commit/a6bd80ed8c91138ce6112b5ce71fc406d426cd01"><code>a6bd80e</code></a> Remove <code>+dev</code> from version</li>
<li><a href="https://github.com/python/mypy/commit/9dd0d396e0a8b477e4bf723a6a24d82db7785ea8"><code>9dd0d39</code></a> Manually revert &quot;Add support for attrs.fields (<a href="https://redirect.github.com/python/mypy/issues/15021">#15021</a>)&quot; (<a href="https://redirect.github.com/python/mypy/issues/15674">#15674</a>)</li>
<li><a href="https://github.com/python/mypy/commit/45e1bf7a83686a5b933eb009447e89e5d1c41ca9"><code>45e1bf7</code></a> Typeshed cherry-pick: Fix <a href="https://github.com/patch"><code>`@​patch</code></a>` when <code>new</code> is missing (<a href="https://redirect.github.com/python/mypy/issues/10459">#10459</a>) (<a href="https://redirect.github.com/python/mypy/issues/15673">#15673</a>)</li>
<li><a href="https://github.com/python/mypy/commit/7a9418356082092d2cb1585acb816b2074cff43e"><code>7a94183</code></a> Fix dataclass/protocol crash on joining types (<a href="https://redirect.github.com/python/mypy/issues/15629">#15629</a>)</li>
<li><a href="https://github.com/python/mypy/commit/2ebd51e881490f4d20635cde92ef9e3edbbad68c"><code>2ebd51e</code></a> Teach <code>stubgen</code> to work with <code>complex</code> and unary expressions (<a href="https://redirect.github.com/python/mypy/issues/15661">#15661</a>)</li>
<li><a href="https://github.com/python/mypy/commit/39833810ddcd29561f3ffed44703380aa26a68be"><code>3983381</code></a> Fix testLiteralMeets failure (<a href="https://redirect.github.com/python/mypy/issues/15659">#15659</a>)</li>
<li><a href="https://github.com/python/mypy/commit/3bf85217386806b0f68bf8857b61379ae2f6ad1e"><code>3bf8521</code></a> Consistently avoid type-checking unreachable code (<a href="https://redirect.github.com/python/mypy/issues/15386">#15386</a>)</li>
<li>Additional commits viewable in <a href="https://github.com/python/mypy/compare/v1.4.1...v1.5.1">compare view</a></li>
</ul>
</details>
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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: meili-bors[bot]