Bump cvxpy from 1.5.1 to 1.5.2 in /requirements (#1035)

Bumps [cvxpy](https://github.com/cvxpy/cvxpy) from 1.5.1 to 1.5.2.
- [Release notes](https://github.com/cvxpy/cvxpy/releases)
- [Commits](https://github.com/cvxpy/cvxpy/compare/v1.5.1...v1.5.2)

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

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requirements/requirements.txt

@@ -1,7 +1,7 @@
 numpy == 1.26.4
 scipy == 1.13.1
 matplotlib == 3.9.0
-cvxpy == 1.5.1
+cvxpy == 1.5.2
 pytest == 8.2.2 # For unit test
 pytest-xdist == 3.6.1 # For unit test
 mypy == 1.10.0 # For unit test