Fix Fern overrides reference (#186)

Co-authored-by: Niels Swimberghe <3382717+Swimburger@users.noreply.github.com>

Author: fern-support

fern/generators.yml

@@ -1,7 +1,7 @@
 api:
   specs:
     - openapi: ../descriptions/2.11/api.intercom.io.yaml
-      overrides: ../openapi-overrides.yml
+      overrides: ./openapi-overrides.yml
       settings:
         title-as-schema-name: false
         inline-path-parameters: true