[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: b69d88687a targetRevisionAtLastExport: 93b2865c

implementation-contributed/curation_logs/javascriptcore.json

 {
-  "sourceRevisionAtLastExport": "b69d88687a",
-  "targetRevisionAtLastExport": "93b2865ca",
+  "sourceRevisionAtLastExport": "3454cfdb5a",
+  "targetRevisionAtLastExport": "1804b1343",
   "curatedFiles": {
     "/stress/Number-isNaN-basics.js": "DELETED_IN_TARGET",
     "/stress/Object_static_methods_Object.getOwnPropertyDescriptors-proxy.js": "DELETED_IN_TARGET",