Update changelogs from fern repo (#5562)

Co-authored-by: dsinghvi <10870189+dsinghvi@users.noreply.github.com>

Author: fern-support

fern/products/cli-api-reference/cli-changelog/2026-05-20.mdx

@@ -1,3 +1,9 @@
+## 5.32.0
+**`(feat):`** Support structured `x-fern-base-path` with per-parameter declarations and defaults.
+The OpenAPI extension now accepts an object form with `path` and `parameters`, where
+each parameter can specify a `type`, `docs`, and `default`.
+
+
 ## 5.31.0
 **`(feat):`** Populate `hasWebSocketInTree` on IR Package/Subpackage types. When a
 subpackage (or any of its nested children) contains a WebSocket channel,