[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: 13bea0a046 targetRevisionAtLastExport: d544eace

implementation-contributed/curation_logs/javascriptcore.json

 {
-  "sourceRevisionAtLastExport": "13bea0a046",
-  "targetRevisionAtLastExport": "d544eaced",
+  "sourceRevisionAtLastExport": "f2e2ad6325",
+  "targetRevisionAtLastExport": "f4f5a415f",
   "curatedFiles": {
     "/stress/Number-isNaN-basics.js": "DELETED_IN_TARGET",
     "/stress/Object_static_methods_Object.getOwnPropertyDescriptors-proxy.js": "DELETED_IN_TARGET",