[Config] Update the Get Started tutorial for Python connector

[andreyaksenov]

Product: Tarantool
Since: 3.0
Root document: https://www.tarantool.io/en/doc/latest/how-to/getting_started_python/
SME: @ DifferentialOrange

Details

Use the same steps and sample database as for the Connecting to a database using net.box tutorial.
See also: #3671.