Fix new link to license in readme by EliahKagan · Pull Request #1680 · gitpython-developers/GitPython
### LICENSE
[New BSD License](https://opensource.org/license/bsd-3-clause/). See the [LICENSE file](https://github.com/gitpython-developers/GitPython/blob/main/license). [New BSD License](https://opensource.org/license/bsd-3-clause/). See the [LICENSE file][license].
[contributing]: https://github.com/gitpython-developers/GitPython/blob/main/CONTRIBUTING.md [license]: https://github.com/gitpython-developers/GitPython/blob/main/license [license]: https://github.com/gitpython-developers/GitPython/blob/main/LICENSE