Update changelogs from fern repo (#4298)

Author: fern-support

fern/products/cli-api-reference/cli-changelog/2026-03-16.mdx

@@ -0,0 +1,13 @@
+## 4.30.1
+**`(fix):`** Fix duplicate request wrapper name when using `x-fern-streaming` with
+`stream-condition` on an endpoint whose request body is a `$ref` to a
+named schema. Both the streaming and non-streaming endpoint variants
+previously resolved to the same wrapper name (e.g. `ChatRequest`),
+causing TypeScript SDK generation to fail with "already declared in this
+file". Streaming variants now automatically receive a `Streaming` suffix
+(e.g. `ChatRequest` → `ChatRequestStreaming`), aligned with the V3
+importer convention. Users can also explicitly set the streaming request
+name via the new `stream-request-name` property inside
+`x-fern-streaming`.
+
+