Update changelogs from fern repo (#423)

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

Author: fern-support

fern/products/cli-api-reference/cli-changelog/2025-08-11.mdx

@@ -1,3 +1,6 @@
+## 0.66.11
+**`(fix):`** Allow 'securityScheme.scheme' to be case-insensitive.
+
 ## 0.66.1
 **`(fix):`** Add 'vendor' to set of reservved keywords for go.