This implements Bug#60312
* src/fns.c (syms_of_fns): Define `yes-or-no-prompt' Lisp variable.
(Fyes_or_no_p): Use `yes-or-no-prompt' instead of a hard-coded string.
* lisp/cus-start.el (standard): Add custom specification for it.
* doc/emacs/mini.texi (Yes or No Prompts): Document `yes-or-no-prompt'
* doc/lispref/minibuf.texi (Yes-or-No Queries): And here.
* etc/NEWS: Announce the new option.