message: Deprecate the latest branch in go SDK repo
diff: "pipelineName": "automation - sdk",
  "sdkRepositoryMappings": {
  "azure-sdk-for-go": {
  - "mainBranch": "latest",
  "integrationRepository": "AzureSDKAutomation/azure-sdk-for-go",
  "mainRepository": "Azure/azure-sdk-for-go"
  },
  