message: chore: unpin sinon again
  fixes:
diff: "null-loader": "^4.0.0",
  "protobufjs": "^6.10.1",
  "proxyquire": "^2.0.0",
  - "sinon": "10.0.0",
  + "sinon": "^10.0.0",
  "tmp": "^0.2.0",
  "ts-loader": "^8.0.0",
  "typescript": "^3.8.3",
  