Update changelogs from fern repo (#5191)

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

Author: fern-support

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

@@ -0,0 +1,6 @@
+## 4.100.3
+**`(fix):`** Fix `fern generate --docs --preview` to register translations for preview URLs.
+Previously, translation registration was skipped entirely in preview mode,
+causing translated docs to not appear in preview deployments.
+
+