bpo-46333: include `module` in `ForwardRef.__repr__` (#31283)

The module parameter carries semantic information about the forward ref.
Show to the user that forward refs with same argument but different
module are different.

Co-authored-by: Andreas Hangauer <andreas.hangauer@siemens.com>
Co-authored-by: blurb-it[bot] <43283697+blurb-it[bot]@users.noreply.github.com>