Update rest-api-spec (#1642)

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

Author: github-actions[bot]

output/schema/schema.json

@@ -14,6 +14,30 @@
         {
           "path": "/_internal/_health",
           "methods": ["GET"]
+        },
+        {
+          "path": "/_internal/_health/{component}",
+          "methods": ["GET"],
+          "parts": {
+            "component": {
+              "type": "string",
+              "description": "A component of the cluster, as returned by the top-level health API"
+            }
+          }
+        },
+        {
+          "path": "/_internal/_health/{component}/{feature}",
+          "methods": ["GET"],
+          "parts": {
+            "component": {
+              "type": "string",
+              "description": "A component of the cluster, as returned by the top-level health API"
+            },
+            "feature": {
+              "type": "string",
+              "description": "A feature of a component of the cluster, as returned by the top-level health API"
+            }
+          }
         }
       ]
     },