I found the wikitree a day or so ago, but am struggling overall with this. There is no GRO death for this lady in those years, meaning if it is correct, she did not die in England & Wales.
I also found an Electoral Roll record for Patricia A PROBY at an CO10 (Sudbury, Essex) address up to 2017. A check in Ancestry confirms that lady born in the range 1921-1923, so this is consistent with the information that Colin provided in the Centenarians thread and is likely to be a correct identification. No death identified in the GRO from 2016 to 2023.
I am inclined to think that the wikitree is not correct.