Merge pull request Azure#3434 from test-repo-billy/Alancere-patch-2

Update specificationRepositoryConfiguration.json

Author: JackTn

specificationRepositoryConfiguration.json

@@ -4,7 +4,8 @@
   "sdkRepositoryMappings": {
     "azure-sdk-for-go": {
       "integrationRepository": "azure-sdk/azure-sdk-for-go",
-      "mainRepository": "Azure/azure-sdk-for-go",
+      "mainRepository": "Alancere/azure-sdk-for-go",
+      "mainBranch": "unified_log_0730",
       "configFilePath": "eng/swagger_to_sdk_config.json"
     },
     "azure-sdk-for-java": {