Bump mypy from 0.982 to 0.990 (#350)

Bumps [mypy](https://github.com/python/mypy) from 0.982 to 0.990.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](python/mypy@v0.982...v0.990)

---
updated-dependencies:
- dependency-name: mypy
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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requirements/ci.txt

@@ -1,7 +1,7 @@
 build==0.9.0
 coverage==6.5.0
 cython==0.29.32
-mypy==0.982; implementation_name=="cpython"
+mypy==0.990; implementation_name=="cpython"
 pre-commit==2.20.0
 pytest==7.2.0
 pytest-cov==4.0.0