Update changelogs from fern repo (#4294)

Co-authored-by: Swimburger <3382717+Swimburger@users.noreply.github.com>

Author: fern-support

fern/products/sdks/overview/typescript/changelog/2026-03-16.mdx

@@ -1,3 +1,9 @@
+## 3.56.4
+**`(fix):`** Remove `baseUrl` from generated `tsconfig.base.json` files. Setting `baseUrl`
+to `src` was unnecessary alongside `rootDir` and caused unexpected module
+resolution side effects in some project setups.
+
+
 ## 3.56.3
 **`(fix):`** Fix TypeScript SDK generator crash when generating WebSocket clients for
 AsyncAPI specs that define a named server (e.g. `servers.production`) with