Update changelogs from fern repo (#773)

Co-authored-by: tstanmay13 <[email protected]>

Author: fern-support

fern/products/sdks/overview/java/changelog/2025-09-11.mdx

@@ -1,3 +1,9 @@
+## 3.2.0
+**`(feat):`** Add comprehensive request and response body validation to wire tests for Java SDKs.
+Wire tests now validate that SDKs correctly serialize request bodies and deserialize
+response bodies, catching regressions in JSON handling.
+
+
 ## 3.1.0
 **`(feat):`** Support Maven publishTarget from IR for local filesystem SDK generation.