lisp-modules: mention common-lisp.sh API removal in release notes

Changed files
+2
nixos
doc
manual
release-notes
+2
nixos/doc/manual/release-notes/rl-2405.section.md
···
making it possible to accumulate definitions without resorting to `mkForce`,
hence to retain the definitions not anticipating that need.
+
- Lisp modules: previously deprecated interface based on `common-lisp.sh` has now been removed.
+
- `youtrack` is bumped to 2023.3. The update is not performed automatically, it requires manual interaction. See the YouTrack section in the manual for details.
- QtMultimedia has changed its default backend to `QT_MEDIA_BACKEND=ffmpeg` (previously `gstreamer` on Linux or `darwin` on MacOS).