Update specification output

Author: elasticmachine

output/schema/validation-errors.json

@@ -1,5 +1,16 @@
 {
-  "endpointErrors": {},
+  "endpointErrors": {
+    "cat.segments": {
+      "request": [
+        "Request: query parameter 'expand_wildcards' does not exist in the json spec",
+        "Request: query parameter 'allow_no_indices' does not exist in the json spec",
+        "Request: query parameter 'ignore_throttled' does not exist in the json spec",
+        "Request: query parameter 'ignore_unavailable' does not exist in the json spec",
+        "Request: query parameter 'allow_closed' does not exist in the json spec"
+      ],
+      "response": []
+    }
+  },
   "generalErrors": [
     "Dangling type '_global.scripts_painless_execute:PainlessExecutionPosition'",
     "Dangling type '_global.scripts_painless_execute:PainlessScript'",