Update rest-api-spec (#5558)

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

Author: github-actions[bot]

output/schema/schema.json

@@ -5,7 +5,8 @@
       "description": "Delete sampling configuration for an index or data stream"
     },
     "stability": "experimental",
-    "visibility": "public",
+    "visibility": "feature_flag",
+    "feature_flag": "random_sampling",
     "headers": {
       "accept": ["application/json"],
       "content_type": ["application/json"]

specification/_json_spec/indices.delete_sample_configuration.json

@@ -5,7 +5,8 @@
       "description": "Get sampling configurations for all indices and data streams"
     },
     "stability": "experimental",
-    "visibility": "public",
+    "visibility": "feature_flag",
+    "feature_flag": "random_sampling",
     "headers": {
       "accept": ["application/json"]
     },

specification/_json_spec/indices.get_all_sample_configuration.json

@@ -5,7 +5,8 @@
       "description": "Get sampling configuration for an index or data stream"
     },
     "stability": "experimental",
-    "visibility": "public",
+    "visibility": "feature_flag",
+    "feature_flag": "random_sampling",
     "headers": {
       "accept": ["application/json"]
     },

specification/_json_spec/indices.get_sample_configuration.json

@@ -5,7 +5,8 @@
       "description": "Configure sampling for an index or data stream"
     },
     "stability": "experimental",
-    "visibility": "public",
+    "visibility": "feature_flag",
+    "feature_flag": "random_sampling",
     "headers": {
       "accept": ["application/json"],
       "content_type": ["application/json"]