[patch, fortran, committed] PR112873 F2023 degree trig functions

[Jerry D]

The following has been committed per discussion in the subject PR.
commit 95b70545331764c85079a1d0e1e19b605bda1456 (HEAD -> master, 
origin/master, origin/HEAD)
Author: Jerry DeLisle <jvdeli...@gcc.gnu.org>
Date:   Wed Dec 13 19:04:50 2023 -0800

    fortran: Add degree based trig functions for F2023

            PR fortran/112873

    gcc/fortran/ChangeLog:

            * gfortran.texi: Update to reflect the changes.
            * intrinsic.cc (add_functions): Update the standard that the
            various  degree trigonometric functions have been described in.
            (gfc_check_intrinsic_standard): Add an error string for F2023.
            * intrinsic.texi: Update accordingly.

Thanks to Steve for the changes checked by Harald and myself. I know 
there is a way to do a co-Author on a git commit. Will try to do that 
next time when it applies.

Jerry