Fix typo

Author: NolwennP

content/swagger/resources/families/routes/families_code_variants_code.yaml

@@ -24,7 +24,7 @@ get:
     406:
       $ref: "#/responses/406Error"
 patch:
-  summary: Update/create a family a family variant
+  summary: Update/create a family variant
   operationId: "patch_families__family_code__variants__code__"
   tags:
     - Families