Add hidden value to expand_wildcards params (#54551)

This commit adds the hidden enum value to
all expand_wildcards params

(cherry picked from commit 581b8cdabe11444105edb62226b439ba4c7e908a)

x-pack/plugin/src/test/resources/rest-api-spec/api/async_search.submit.json

@@ -105,6 +105,7 @@
         "options":[
           "open",
           "closed",
+          "hidden",
           "none",
           "all"
         ],

x-pack/plugin/src/test/resources/rest-api-spec/api/indices.freeze.json

@@ -42,6 +42,7 @@
         "options":[
           "open",
           "closed",
+          "hidden",
           "none",
           "all"
         ],

x-pack/plugin/src/test/resources/rest-api-spec/api/indices.reload_search_analyzers.json

@@ -35,6 +35,7 @@
         "options":[
           "open",
           "closed",
+          "hidden",
           "none",
           "all"
         ],

x-pack/plugin/src/test/resources/rest-api-spec/api/indices.unfreeze.json

@@ -42,6 +42,7 @@
         "options":[
           "open",
           "closed",
+          "hidden",
           "none",
           "all"
         ],