Bump mypy from 0.991 to 1.0.0 in /requirements (AtsushiSakai#789)

Bumps [mypy](https://github.com/python/mypy) from 0.991 to 1.0.0.
- [Release notes](https://github.com/python/mypy/releases)
- [Commits](python/mypy@v0.991...v1.0.0)

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements/requirements.txt

@@ -4,5 +4,5 @@ matplotlib == 3.6.3
 cvxpy == 1.3.0
 pytest == 7.2.1 # For unit test
 pytest-xdist == 3.1.0 # For unit test
-mypy == 0.991 # For unit test
+mypy == 1.0.0 # For unit test
 ruff == 0.0.241 # For unit test