Updating CHANGELOG with link (#90)

* Updating CHANGELOG with link

Co-authored-by: Pietropaolo Frisoni <pietropaolo.frisoni@xanadu.ai>

---------

Co-authored-by: Pietropaolo Frisoni <pietropaolo.frisoni@xanadu.ai>

Author: runora95

CHANGELOG.md

@@ -9,7 +9,9 @@
  ### Deprecations 👋
 
  ### Internal changes ⚙️
- - Bumped `.readthedocs.yml` up to Ubuntu-24.04
+
+ * Bumped the `readthedocs.yml` action up to Ubuntu-24.04.
+   [(#88)](https://github.com/PennyLaneAI/pennylane-aqt/pull/88)
 
  ### Documentation 📝