tree cd4496515c393588bd88de5399f01f32010faae9
parent 53fe426f96515e1f3f40be8c0c882a894f6aea55
author Thomas Girardier <girardier@google.com> 1653668147 +0000
committer Thomas Girardier <girardier@google.com> 1653679085 +0000

PTS-bot: freeze protobuf python package

4.21.0 version is introducing breaking changes, so freeze it to
3.20.1 for now.

Test: atest pts-bot
Change-Id: Ie151b67b7340c8a380ee5b80afad5d0b61b22283