Update changelogs from fern repo (#1545)

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

Author: fern-support

fern/products/sdks/overview/typescript/changelog/2025-10-28.mdx

@@ -1,3 +1,6 @@
+## 3.12.3
+**`(fix):`** Fix `.github/workflows/ci.yml` file when using OIDC for npm publishing.
+
 ## 3.12.2
 **`(fix):`** Add streaming tests; fix custom message terminators in streams; fix multi-byte character handling across chunk breaks in streams.