Update changelogs from fern repo (#6453)

Co-authored-by: thesandlord <8902396+thesandlord@users.noreply.github.com>

Author: thesandlord

fern/products/cli-api-reference/cli-changelog/2026-07-29.mdx

@@ -1,3 +1,8 @@
+## 5.83.1
+**`(fix):`** Fix user-specified OpenRPC examples to use the method's computed endpoint path instead of
+appending a hardcoded `/{apiKey}` path.
+
+
 ## 5.83.0
 **`(internal):`** Add the additive `OAuthAuthorizationCode.redirectUriBackupPorts` IR field (fallback loopback
 callback ports for the authorization-code/PKCE flow). No behavior change for existing configs.