Log Message:
Update to 71.0

* Remove oss option. Its patch is not usable for 71.0.

Changelog:
New
    Improvements to Lockwise, our integrated password manager:
        Firefox now recognizes subdomains and will autofill domain logins from \ 
Lockwise
        Integrated breach alerts from Firefox Monitor are now available to users \ 
with screen readers

    More information about Enhanced Tracking Protection in action:
        Notifications when Firefox blocks cryptominers
        A running tally of blocked trackers in the protection panel accessed by \ 
clicking the address bar shield

    Picture-in-picture video comes to Firefox for Windows: Select the blue icon \ 
from the right edge of a video to pop open a floating window so you can keep \ 
watching while working in other tabs. Learn how the feature works.

    Native MP3 decoding on Windows, Linux, and macOS

Security fixes:
Not available yet.