update the changelog for the release

Author: fdiblen

CHANGELOG.md

@@ -18,6 +18,8 @@
 
 * copyright owner is asked in all profiles [#629](https://github.com/NLeSC/python-template/pull/629)
 * license files includes year and copyright owner information [#629](https://github.com/NLeSC/python-template/pull/629)
+* combine all the next step jobs in a single workflow [#657](https://github.com/NLeSC/python-template/pull/657)
+* fix CITATION.cff validation issues which also helps cffconvert workflow to pass [#657](https://github.com/NLeSC/python-template/pull/657)
 
 ### Removed