Update changelogs from fern repo (#1684)

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

Author: fern-support

fern/products/cli-api-reference/cli-changelog/2025-10-31.mdx

@@ -6,6 +6,10 @@
 **`(fix):`** Fix issue where parsing failed for null objects in a TabbedNavigationItem.
 
 
+## 0.102.0
+**`(feat):`** Add discriminated union base property and extend property examples to IR.
+
+
 ## 0.101.2
 **`(fix):`** Publish with all APIs to S3 by default.