chore: update CHANGELOG.md

CHANGELOG.md

@@ -1,10 +1,16 @@
 ## actions development version
 
-- make citation files optional for `draft-release` and `post-release`. (#44, @kelly-sovacool)
+### bug fixes
+
 - fix `post-release` action to properly update the sliding branch when new releases have incompatible history (typically due to rebasing). (#46, @kelly-sovacool)
-- new documentation website: <https://CCBR.github.io/actions>. (#48, #49, @kelly-sovacool)
 - fix `build-docker` to set the docker build context as the same directory as the Dockerfile. (#51, @kelly-sovacool)
 
+### enhancements
+
+- make citation files optional for `draft-release` and `post-release`. (#44, @kelly-sovacool)
+  - these actions will no longer error when a repository lacks a citation file.
+- new documentation website: <https://CCBR.github.io/actions>. (#48, #49, @kelly-sovacool)
+
 ## actions 0.2.2
 
 - fix `print_versions.py` script to work with new JSON version proposed [here](https://github.com/CCBR/Dockers2/issues/150). (#39, @kopardev)