docs(CHANGELOG.md): add dependency bump from dependabot

Author: dependabot[bot]

CHANGELOG.md

@@ -47,6 +47,7 @@
 - build(deps): `github.com/clipperhouse/uax29/v2` from 2.3.0 to 2.3.1 ([#1625](https://github.com/fastly/cli/pull/1625))
 - build(deps): `github.com/klauspost/compress` from 1.18.2 to 1.18.3 ([#1625](https://github.com/fastly/cli/pull/1625))
 - build(deps): `github.com/pierrec/lz4/v4` from 4.1.23 to 4.1.25 ([#1625](https://github.com/fastly/cli/pull/1625))
+- build(deps): `github.com/clipperhouse/uax29/v2` from 2.3.1 to 2.4.0 ([#1634](https://github.com/fastly/cli/pull/1634))
 
 ## [v13.3.0](https://github.com/fastly/cli/releases/tag/v13.3.0) (2025-12-11)