[javascriptcore-test262-automation] Updated curation log with latest revision...

[javascriptcore-test262-automation] Updated curation log with latest revision sha's from export and changed files.
    sourceRevisionAtLastExport: 0cfa6086eb targetRevisionAtLastExport: 89489cb6f5

implementation-contributed/curation_logs/javascriptcore.json

 {
-  "sourceRevisionAtLastExport": "0cfa6086eb",
-  "targetRevisionAtLastExport": "89489cb6f5",
+  "sourceRevisionAtLastExport": "743b57501b",
+  "targetRevisionAtLastExport": "5ccad79611",
   "curatedFiles": {
     "/stress/Number-isNaN-basics.js": "DELETED_IN_TARGET",
     "/stress/Object_static_methods_Object.getOwnPropertyDescriptors-proxy.js": "DELETED_IN_TARGET",