[AutoPR Microsoft.Azure.Management.PostgreSQL] [Python] Rdbms: Update readme.python.md#3564

openapi-sdkautomation[bot] wants to merge 1 commit intomasterAzureSDKAutomation/azure-sdk-for-net:masterfrom

sdkAuto/13497/Microsoft.Azure.Management.PostgreSQLAzureSDKAutomation/azure-sdk-for-net:sdkAuto/13497/Microsoft.Azure.Management.PostgreSQLCopy head branch name to clipboard