Update changelogs from fern repo (#1174)

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

Author: fern-support

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

@@ -1,3 +1,7 @@
+## 1.13.13
+**`(fix):`** final fix for embedded local packages
+
+
 ## 1.13.12
 **`(fix):`** must pin wiremock indirect dependencies to later fixed versions