Linerate

The parameter ground_albedo has been moved from the Span class to the Weather class. This is a breaking change, ground_albedo should be moved from Span to Weather in any code that uses linerate.

Fixed an error in the computation of conductor temperature.

What's Changed
* feat: reintroduce invalid_value in bisect by amundfr in https://github.com/statnett/linerate/pull/33


**Full Changelog**: https://github.com/statnett/linerate/compare/1.1.1...1.2.0

Fixed an incorrect function reference in example that prevented docs to build.

**Full Changelog**: https://github.com/statnett/linerate/compare/1.1.0...1.1.1

What's Changed
* Improve development docs in readme by halvorlu in https://github.com/statnett/linerate/pull/30
* chore(deps): update dependency black to v24.4.2 by renovate in https://github.com/statnett/linerate/pull/24
* Implement CIGRE 207 by halvorlu in https://github.com/statnett/linerate/pull/28

We now have an implementation of CIGRE 207 in addition to CIGRE 601 and IEEE 738.


**Full Changelog**: https://github.com/statnett/linerate/compare/1.0.3...1.1.0

Added setuptools as requirement for generating docs with sphinx.

**Full Changelog**: https://github.com/statnett/linerate/compare/1.0.1...1.0.3