Update changelogs from fern repo (#1180)

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

Author: fern-support

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

@@ -1,3 +1,8 @@
+## 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.
+
+
 ## 3.6.1
 **`(fix):`** Add missing test scripts when `bundle: true`.