[Bug c++/117309] [Docs] C++23 is not mentioned on the "supported standards" doc page

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117309

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #1)
> Well c++23 was only published within the last month.

Within the last week!