Update highsbox requirement from <=1.12.0 to <=1.13.0 (#223)

Updates the requirements on [highsbox](https://github.com/metab0t/highsbox) to permit the latest version.
- [Commits](https://github.com/metab0t/highsbox/commits)

---
updated-dependencies:
- dependency-name: highsbox
  dependency-version: 1.13.0
  dependency-type: direct:development
...

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

Improve documentation (#222)

* Improve documentation

* Partial fix to sybil tests

* Fix more tests

Add support for parameters via `pf.Param(data)` (#212)

* Main edit

* Fix tests

* Also update constraints

* Introduce Param function

* Shift examples to using Param

* Add support for parameters from files

* Remove unnecessary arguments in Param

* Improve documentation

* Fix annotations in Python 3.9

* Fix tests

* Fix broken references

* Improve testing

* Fix failing tests

* Increase test coverage

* Increase test coverage

Allow dependabot to run workflows (#196)

* Add dependabot .yml and pin broken dependencies

* Fix pandas dependency

* Add exception to dependabot to run workflows

Minor improvements (#190)

Fix packaging (#180)

Fix bug in QuadraticConstraint.attr and polars error (#168)

* Fix bug in QuadraticConstraint.attr and polars error

* Fix ruff errors

Fix bug with quadratic objectives (#145)

Fix dispose() (#101)

* Fix dispose()

* Limit to gurobi solver

Version bump (#99)