[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: 344dd04163 targetRevisionAtLastExport: 4146be18

implementation-contributed/curation_logs/javascriptcore.json

 {
-  "sourceRevisionAtLastExport": "344dd04163",
-  "targetRevisionAtLastExport": "4146be1823",
+  "sourceRevisionAtLastExport": "c0dba7aed4",
+  "targetRevisionAtLastExport": "7a0293f26c",
   "curatedFiles": {
     "/stress/Number-isNaN-basics.js": "DELETED_IN_TARGET",
     "/stress/Object_static_methods_Object.getOwnPropertyDescriptors-proxy.js": "DELETED_IN_TARGET",