[AutoPR postgresql/mgmt/2021-06-01/postgresqlflexibleservers] add go track2 automation config and change for test#5405

openapi-sdkautomation-test[bot] wants to merge 2 commits intomainopenapi-env-test/azure-sdk-for-go:mainfrom

sdkAuto/2967/postgresql_mgmt/2021-06-01/postgresqlflexibleserversopenapi-env-test/azure-sdk-for-go:sdkAuto/2967/postgresql_mgmt/2021-06-01/postgresqlflexibleserversCopy head branch name to clipboard