Update changelogs from fern repo (#810)

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

Author: fern-support

fern/products/sdks/overview/java/changelog/2025-09-15.mdx

@@ -1,3 +1,8 @@
+## 3.2.2
+**`(fix):`** Fix nullable request bodies with Optional fields to correctly generate .isPresent() checks
+on the Optional field itself, rather than on the entire request object.
+
+
 ## 3.2.1
 **`(fix):`** Changed Optional.of() to Optional.ofNullable() to handle null values gracefully, allowing users to reset to default version.