bpo-31014: Fix the webbrowser module. (GH-7267)


webbrowser._synthesize() called webbrowser.register() with
outdated signature.

Co-Authored-By: John Still <john@jmsdvl.com>
(cherry picked from commit 25b804a9c21c735ce322877f105ebab2539ccfc1)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
3 files changed