Update changelogs from fern repo (#1239)

Co-authored-by: Swimburger <[email protected]>

Author: fern-support

fern/products/sdks/overview/typescript/changelog/2025-10-08.mdx

@@ -1,3 +1,7 @@
+## 3.8.0
+**`(feat):`** Use Biome for formatting instead of Prettier, and also use Biome to check (fix) the generated code.
+
+
 ## 3.7.0
 **`(feat):`** Generate a `BaseClientOptions`, `BaseRequestOptions`, and `BaseIdempotentRequestOptions` interface and extend from these in the generated client `Options`, `RequestOptions`, and `IdempotentRequestOptions` interfaces.
 This reduces a large amount of duplicate code in the generated SDK.