Regenerated OpenAPI doc

Author: tisnik

docs/openapi.json

@@ -2143,6 +2143,7 @@
                             "0.2.1",
                             "0.2.2",
                             "0.2.18",
+                            "0.2.21",
                             "0.2.22"
                         ]
                     }
@@ -3160,4 +3161,4 @@
             }
         }
     }
-}
+}