Relax requirements on protobuf to allow for minor changes and patches.
@@ -42,7 +42,7 @@ rich==12.1
# pyasn1-modules>=0.2.8
# Protobuf is a dependency of wandb and tensorboard, but they are missing this pin.
-protobuf==3.20.0
+protobuf>=3.20.0,<4.0.0
# We need this for building the Docker image
traitlets>5.1.1
