Bump cvxpy from 1.2.2 to 1.2.3 in /requirements (AtsushiSakai#771)

Bumps [cvxpy](https://github.com/cvxpy/cvxpy) from 1.2.2 to 1.2.3.
- [Release notes](https://github.com/cvxpy/cvxpy/releases)
- [Commits](cvxpy/cvxpy@v1.2.2...v1.2.3)

---
updated-dependencies:
- dependency-name: cvxpy
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

requirements/requirements.txt

@@ -1,7 +1,7 @@
 numpy == 1.24.1
 scipy == 1.9.3
 matplotlib == 3.6.2
-cvxpy == 1.2.2
+cvxpy == 1.2.3
 pytest == 7.2.0 # For unit test
 pytest-xdist == 3.1.0 # For unit test
 mypy == 0.991 # For unit test