Update changelogs from fern repo (#563)

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

Author: fern-support

fern/products/sdks/overview/go/changelog/2025-08-21.mdx

@@ -1,3 +1,8 @@
+## 1.6.3
+**`(fix):`** Update the dyanmic snippet generator to handle list values in the request body. 
+Previously, it would throw an error.
+
+
 ## 1.6.2
 **`(feat):`** Add support for handling `default`s for query parameters.