Merge branch 'update-preprod' into 'master'

Update OpenAPI preprod server info

See merge request !690

arkindex/project/openapi/patch.yml

@@ -23,8 +23,8 @@ servers:
   - description: Arkindex
     url: https://arkindex.teklia.com
   - description: Arkindex preproduction
-    url: https://arkindex.dev.teklia.com
-    x-csrf-cookie: arkindex.dev.csrf
+    url: https://preprod.arkindex.teklia.com
+    x-csrf-cookie: arkindex.preprod.csrf
 tags:
   - name: corpora
   - name: elements