Muting flakey test (elastic#58855)

Author: benwtrent

x-pack/plugin/src/test/resources/rest-api-spec/test/ml/inference_stats_crud.yml

@@ -163,7 +163,9 @@ setup:
   - match: { trained_model_stats: [] }
 ---
 "Test get stats given trained models":
-
+  - skip:
+      version: "all"
+      reason: "AwaitsFix https://github.com/elastic/elasticsearch/issues/58662"
   - do:
       ml.get_trained_models_stats:
         model_id: "a-unused-regression-model"