update changelog

Author: sjvrijn

CHANGELOG.md

@@ -9,6 +9,7 @@
 
 ### Changed
 
+* Following [PEP 639](https://peps.python.org/pep-0639/#specification), updated `license` and `license-files` keys in `pyproject.toml` [#707](https://github.com/NLeSC/python-template/pull/707)
 * Update CI actions to use Python 3.14 instead of 3.12 [#703](https://github.com/NLeSC/python-template/pull/703)
 * Recommend `ruff format` instead of `yapf` for fixing code style readability [#695](https://github.com/NLeSC/python-template/pull/695)
 * Replace optional dependencies with dependency groups in template [#705](https://github.com/NLeSC/python-template/pull/705)