Merge branch v2.3.3 into v2.4.2

CHANGELOG.md

@@ -16,6 +16,18 @@
 * added strikethru and footnotes to blag renders.
 
 ## [unreleased] --
+## [unreleased] --
+
+* Removed requirements.txt and requirements-dev.txt
+
+## [2.3.3] -- 2025-04-27
+
+* Fixed Atom feed encoding to 'utf-8'
+* Added Python 3.13 to github actions
+* `requirements*.txt` files are handled by pip-tools. Updates are handled by
+  make update-requirements based on the dependencies described in the
+  pyproject.toml
+
 ## [2.3.2] -- 2024-10-13
 
 * Ignore FileNotFoundError when trying to get the last modified time of files