docs: add changelog entry for ruff dependency update

Co-authored-by: dannywillems <6018454+dannywillems@users.noreply.github.com>

Author: Copilot

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to
 ### Infrastructure
 
 - CI: bump actions/checkout from 4 to 6 ([6c9eecd], [#49])
+- Bump ruff dev dependency from `^0.14.14` to `>=0.14.14,<0.16.0` ([ac8a1db], [#50])
 
 ## [1.4.0] - 2026-02-09
 
@@ -158,6 +159,7 @@ and this project adheres to
 <!-- Commit links -->
 
 [6c9eecd]: https://github.com/LeakIX/l9format-python/commit/6c9eecd
+[ac8a1db]: https://github.com/LeakIX/l9format-python/commit/ac8a1db
 [ac4744e]: https://github.com/LeakIX/l9format-python/commit/ac4744e
 [d554f1e]: https://github.com/LeakIX/l9format-python/commit/d554f1e
 [7f49ff5]: https://github.com/LeakIX/l9format-python/commit/7f49ff5
@@ -242,4 +244,5 @@ and this project adheres to
 [#31]: https://github.com/LeakIX/l9format-python/issues/31
 [#32]: https://github.com/LeakIX/l9format-python/issues/32
 [#49]: https://github.com/LeakIX/l9format-python/pull/49
+[#50]: https://github.com/LeakIX/l9format-python/pull/50
 [#43]: https://github.com/LeakIX/l9format-python/issues/43