fix(openapi-overrides): wrong enum syntax (#555)

Author: rarokko

fern/apis/api/generators.yml

@@ -75,7 +75,7 @@ groups:
   ruby-sdk:
     generators:
       - name: fernapi/fern-ruby-sdk
-        version: 0.9.0-rc2
+        version: 0.8.2
         disable-examples: true
         github:
           repository: VapiAI/server-sdk-ruby