Update changelogs from fern repo (#5605)

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

Author: fern-support

fern/products/cli-api-reference/cli-changelog/2026-05-22.mdx

@@ -1,3 +1,10 @@
+## 5.37.8
+**`(fix):`** Fix FDR generator version lookup for Ruby SDK to use the correct registry ID
+(`ruby-sdk-v2`) instead of the stale legacy ID (`ruby-sdk`). This ensures
+`fern generator upgrade` and IR version resolution return the actual latest
+Ruby SDK generator version.
+
+
 ## 5.37.7
 **`(fix):`** Bump @fern-api/fdr-sdk to 1.2.16 to fix crash when generating examples for
 endpoints that reference types excluded by audience filtering.