Update src/main/resources/openapi/viewer-api.yaml

Co-authored-by: Copilot <[email protected]>

Author: mprins

src/main/resources/openapi/viewer-api.yaml

@@ -1755,7 +1755,7 @@ paths:
             application/json:
               schema:
                 type: array
-                minLength: 0
+                minItems: 0
                 items:
                   $ref: './viewer-schemas.yaml#/components/schemas/AttachmentMetadata'
         '401':