Bump cvxpy from 1.4.3 to 1.5.1

Bumps [cvxpy](https://github.com/cvxpy/cvxpy) from 1.4.3 to 1.5.1.
- [Release notes](https://github.com/cvxpy/cvxpy/releases)
- [Commits](cvxpy/cvxpy@v1.4.3...v1.5.1)

---
updated-dependencies:
- dependency-name: cvxpy
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>