Update changelogs from fern repo (#2519)

Co-authored-by: iamnamananand996 <31537362+iamnamananand996@users.noreply.github.com>

Author: fern-support

fern/products/sdks/overview/ruby/changelog/2025-12-04.mdx

@@ -0,0 +1,7 @@
+## 1.0.0-rc59
+**`(feat):`** Add wire test generation support for Ruby SDK. When enableWireTests is set to true in
+custom config, the generator produces Minitest-based integration tests that validate
+SDK serialization/deserialization against WireMock. Includes docker-compose.test.yml
+and wiremock-mappings.json for running tests locally.
+
+