Add a changelog entry

Author: bbatsov

CHANGELOG.md

@@ -10,6 +10,7 @@
 
 - Remove needless quotes from the choices of `cider-jack-in-auto-inject-clojure`
 - [#2561](https://github.com/clojure-emacs/cider/issues/2561): Disable undo in `*cider-test-report*` buffers.
+- [#3251](https://github.com/clojure-emacs/cider/pull/3251): Disable undo in `*cider-stacktrace*` buffers.
 
 ## 1.5.0 (2022-08-24)