Update changelogs from fern repo (#5207)

Co-authored-by: dsinghvi <10870189+dsinghvi@users.noreply.github.com>

Author: fern-support

fern/products/cli-api-reference/cli-changelog/2026-04-28.mdx

@@ -1,3 +1,9 @@
+## 4.106.0
+**`(feat):`** Add support for translating navigation labels (tabs, products, versions, sections, pages, announcements)
+via YAML overlay files in `translations/<lang>/fern/`. The overlay files use the same format as
+`write-translation` output and are deep-merged over the source navigation configuration.
+
+
 ## 4.105.0
 **`(fix):`** Fix branch creation during signed commit push in generator-cli. GitHub's
 updateRef API returns 422 (not 404) when the target branch does not exist,