Upgrade protobuf as bazel build preamble (#34662)
Summary:
The protobuf bazel definitions are incompatible with recent bazel
versions, so as a prerequisite for any bazel build of pytorch, a more
recent protobuf must be used.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/34662
Differential Revision: D20570425
Pulled By: malfet
fbshipit-source-id: ed4de3eb3fe05f076df93db7175954e797791300
