Bump mypy from 1.2.0 to 1.3.0 (#385)

Bumps [mypy](https://github.com/python/mypy) from 1.2.0 to 1.3.0.
<details>
<summary>Commits</summary>
<ul>
<li><a
href="https://github.com/python/mypy/commit/9df39ab1801369cb49467fa52080df9c42377384"><code>9df39ab</code></a>
set version to 1.3.0</li>
<li><a
href="https://github.com/python/mypy/commit/c1464a9ea61fe9c350b61c1989d98bbc33d74982"><code>c1464a9</code></a>
Revert &quot;Fix disappearing errors when re-running dmypy check (<a
href="https://redirect.github.com/python/mypy/issues/14835">#14835</a>)&quot;
(<a
href="https://redirect.github.com/python/mypy/issues/15179">#15179</a>)</li>
<li><a
href="https://github.com/python/mypy/commit/d887e9c0d090694b66b5fa20ac249b3d749a8518"><code>d887e9c</code></a>
Fix performance in union subtyping (<a
href="https://redirect.github.com/python/mypy/issues/15104">#15104</a>)</li>
<li><a
href="https://github.com/python/mypy/commit/320b883ada83375f1e6929b4703b741d3c4813ce"><code>320b883</code></a>
Typeshed cherry-pick: stdlib/xml: fix return types for toxml/toprettyxml
meth...</li>
<li><a
href="https://github.com/python/mypy/commit/6a68049e903dba7bbcff5a530b63731535f8d5f7"><code>6a68049</code></a>
Fix sys.platform when cross-compiling with emscripten (<a
href="https://redirect.github.com/python/mypy/issues/14888">#14888</a>)</li>
<li><a
href="https://github.com/python/mypy/commit/3d9661c91d5dfaf3ae0d3ca5624867cdf449da77"><code>3d9661c</code></a>
Fix bounded self types in override incompatibility checking (<a
href="https://redirect.github.com/python/mypy/issues/15045">#15045</a>)</li>
<li><a
href="https://github.com/python/mypy/commit/0799a8ab0dc8deed8d2e0ec34b1aab2fe39ebd96"><code>0799a8a</code></a>
[mypyc] Fix unions of bools and ints (<a
href="https://redirect.github.com/python/mypy/issues/15066">#15066</a>)</li>
<li><a
href="https://github.com/python/mypy/commit/4276308be01ea498d946a79554b4a10b1cf13ccb"><code>4276308</code></a>
(🎁) update black to 23.3.0 (<a
href="https://redirect.github.com/python/mypy/issues/15059">#15059</a>)</li>
<li><a
href="https://github.com/python/mypy/commit/14493660eadf35553a3cecb746704b58a401c68d"><code>1449366</code></a>
Allow objects matching <code>SupportsKeysAndGetItem</code> to be
unpacked (<a
href="https://redirect.github.com/python/mypy/issues/14990">#14990</a>)</li>
<li><a
href="https://github.com/python/mypy/commit/69c774e6d6fa92aea8f32cd0e045e8a34a0f7215"><code>69c774e</code></a>
Sync typeshed (<a
href="https://redirect.github.com/python/mypy/issues/15055">#15055</a>)</li>
<li>Additional commits viewable in <a
href="https://github.com/python/mypy/compare/v1.2.0...v1.3.0">compare
view</a></li>
</ul>
</details>
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pyproject.toml

@@ -77,7 +77,7 @@ pytest = [
     "async-solipsism == 0.5",
 ]
 mypy = [
-    "mypy == 1.2.0",
+    "mypy == 1.3.0",
     "grpc-stubs == 1.24.12",  # This dependency introduces breaking changes in patch releases
     # For checking the noxfile, docs/ script, and tests
     "frequenz-sdk[docs-gen,nox,pytest]",