Update protobuf tooling dependencies

Cameron Swordsrequested to merge
cam/update-proto-deps into main

What does this MR do?

Updates Protocol Buffer compilation tooling to their latest versions:

Dependency Previous Updated
protoc 33.2 33.5
protoc-gen-go-grpc v1.6.0 v1.6.1

Why is this change needed?

Keeps the protobuf toolchain up to date with the latest bug fixes and improvements.

Changes

  • Updated PROTOC_VERSION in Makefile
  • Updated PROTOC_GEN_GO_GRPC_VERSION in Makefile
  • Regenerated proto/step_grpc.pb.go with the new tooling
Edited by Cameron Swords

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