message: Renames POSRootChainManager variable to reflect its actual intent.
diff: module.exports = {
  root: {
  RPC: '<GOERLI_RPC>',
  - POSRootChainManager: '0xBbD7cBFA79faee899Eaf900F13C9065bF03B1A74',
  + RootChainManagerProxy: '0xBbD7cBFA79faee899Eaf900F13C9065bF03B1A74',
  DERC20: '0x655F2166b0709cd575202630952D71E2bB0d61Af',
  DERC721: '0x084297B12F204Adb74c689be08302FA3f12dB8A7',
  DERC1155: '0x2e3Ef7931F2d0e4a7da3dea950FF3F19269d9063',
  