[3.13] gh-137609: Update signatures of builtins in the documentation (GH-137610)

Show signatures that match the actual signatures or future multisignatures
for all functions, classes and methods in the "builtins" module.
(cherry picked from commit 65fb4d1)

Co-authored-by: Serhiy Storchaka <[email protected]>

Author: serhiy-storchaka