Update changelogs from fern repo (#4877)

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

Author: fern-support

fern/products/cli-api-reference/cli-changelog/2026-04-10.mdx

@@ -0,0 +1,6 @@
+## 4.65.2
+**`(fix):`** Improve error messages for `fern docs preview list` command. The default
+error now suggests checking authentication instead of network connectivity,
+and the full error response is logged at debug level for easier diagnosis.
+
+