Add CHANGELOG.md entry for #12067

CHANGELOG.md

@@ -44,6 +44,7 @@ Note that this project **does not** adhere to [Semantic Versioning](https://semv
 - We added automatic browser extension install on Windows for Chrome and Edge. [#6076](https://github.com/JabRef/jabref/issues/6076)
 - We added support to automatically open a `.bib` file in the current/parent folder if no other library is opened. [koppor#377](https://github.com/koppor/jabref/issues/377)
 - We added a search bar for filtering keyboard shortcuts. [#11686](https://github.com/JabRef/jabref/issues/11686)
+- We added new modifiers `camel_case`, `camel_case_n`, `short_title`, and `very_short_title` for the [citation key generator](https://docs.jabref.org/setup/citationkeypatterns). [#11367](https://github.com/JabRef/jabref/issues/11367)
 - By double clicking on a local citation in the Citation Relations Tab you can now jump the linked entry. [#11955](https://github.com/JabRef/jabref/pull/11955)
 - We use the menu icon for background tasks as a progress indicator to visualise an import's progress when dragging and dropping several PDF files into the main table. [#12072](https://github.com/JabRef/jabref/pull/12072)