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

Author: dependabot[bot]

CHANGELOG.md

@@ -17,6 +17,10 @@
 - build(deps): `golang.org/x/mod` from 0.29.0 to 0.30.0 ([#1588](https://github.com/fastly/cli/pull/1588))
 - build(deps): `github.com/coreos/go-oidc/v3` from 3.16.0 to 3.17.0 ([#1588](https://github.com/fastly/cli/pull/1588))
 - build(deps): `github.com/klauspost/compress` from 1.18.1 to 1.18.2 ([#1593](https://github.com/fastly/cli/pull/1593))
+- build(deps): `golang.org/x/sys` from 0.38.0 to 0.39.0 ([#1594](https://github.com/fastly/cli/pull/1594))
+- build(deps): `github.com/hashicorp/cap` from 0.11.0 to 0.12.0 ([#1594](https://github.com/fastly/cli/pull/1594))
+- build(deps): `golang.org/x/oauth2` from 0.33.0 to 0.34.0 ([#1594](https://github.com/fastly/cli/pull/1594))
+- build(deps): `golang.org/x/sync` from 0.18.0 to 0.19.0 ([#1594](https://github.com/fastly/cli/pull/1594))
 
 ## [v13.1.0](https://github.com/fastly/cli/releases/tag/v13.1.0) (2025-11-12)