[electrum] Better support for Trezor safe devices

Summary: This bumps trezorlib to support the safe 5 and improve the general handling of the safe series.

Test Plan:
Run electrum with verson 0.13.9.
Note that it's been tested against emulators with mitigated success for the Safe 5.

Reviewers: #bitcoin_abc, bytesofman, PiRK

Reviewed By: #bitcoin_abc, bytesofman, PiRK

Subscribers: PiRK, bytesofman

Differential Revision: https://reviews.bitcoinabc.org/D17294