message: Update azure-sdk-for-go to test in production
diff: "sdkRepositoryMappings": {
  "azure-sdk-for-go": {
  "mainBranch": "latest",
  + "integrationBranchPrefix": "sdkAutomationProdTest",
  "generationRepository": "AzureSDKAutomation/azure-sdk-for-go",
  - "mainRepository": "Azure/azure-sdk-for-go"
  + "integrationRepository": "AzureSDKAutomation/azure-sdk-for-go",
  + "mainRepository": "test-repo-billy/azure-sdk-for-go"
  },
  "azure-sdk-for-java": {
  "generationRepository": "AzureSDKAutomation/azure-sdk-for-java",
  