Must be a glitch or an error.

I get the same thing too when I type in his name.

There was something kinda similar with Siri or Alexa where it would answer back that Kamala Harris was the President back in November / December last year, as infinitely creepy as that is.

EDIT: I believe this is an elaborate troll. The party involved had the username qwashere2021 and made the edits on Wikipedia. Google scrapes information from Wikipedia. Here is a thread with more specificity: https://greatawakening.win/p/12hl0dhMZ7/alert-richard-grenell-president-/c/