Bump cvxpy from 1.5.2 to 1.5.3 in /requirements (AtsushiSakai#1062)

Bumps [cvxpy](https://github.com/cvxpy/cvxpy) from 1.5.2 to 1.5.3.
- [Release notes](https://github.com/cvxpy/cvxpy/releases)
- [Commits](cvxpy/cvxpy@v1.5.2...v1.5.3)

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

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 == 2.0.1
 scipy == 1.14.0
 matplotlib == 3.9.1.post1
-cvxpy == 1.5.2
+cvxpy == 1.5.3
 pytest == 8.3.2 # For unit test
 pytest-xdist == 3.6.1 # For unit test
 mypy == 1.11.0 # For unit test