proto: file "workspace.proto" is already registered

[akosyakov]

Bug description

Supervisor logs full of:

2021/03/25 19:48:50 WARNING: proto: file "workspace.proto" is already registered
A future release will panic on registration conflicts. See:
https://developers.google.com/protocol-buffers/docs/reference/go/faq#namespace-conflict

Steps to reproduce

start any workspace and inspect logs

Expected behavior

No response

Example repository

No response