update changelogs

Author: dsinghvi

fern/products/sdks/overview/ruby/changelog/2025-08-13.mdx

@@ -1,3 +1,6 @@
+## 1.0.0-rc2
+**`(feat):`** Support for sending request bodies when the request is a reference to a type or a primitive.
+
 ## 1.0.0-rc1
 **`(feat):`** Fix circular type references within the Ruby SDK generator.