Update changelogs from fern repo (#623)

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

Author: fern-support

fern/products/cli-api-reference/cli-changelog/2025-08-27.mdx

@@ -1,3 +1,6 @@
+## 0.66.29
+**`(fix):`** Update docs workspace validator to skip file type validation when running in selfhosted mode
+
 ## 0.66.28
 **`(fix):`** Fix downloadFiles mode to respect organization's selfHostedSdKs flag for Java SDK generation