Update changelogs from fern repo (#1023)

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

Author: fern-support

fern/products/sdks/overview/java/changelog/2025-09-29.mdx

@@ -0,0 +1,7 @@
+## 3.7.0
+**`(feat):`** Wire tests are now enabled by default for all Java SDKs, providing comprehensive HTTP protocol
+validation tests using MockWebServer. Wire tests validate request/response serialization, HTTP
+methods, headers, and API contract adherence. To disable wire tests, explicitly set
+`enable-wire-tests: false` in your generator configuration.
+
+