Support new authentication mechanisms

[DifferentialOrange]

New authentication mechanisms are in design for next Tarantool versions. After the release of this feature, we must support it.

[DifferentialOrange]

Design document (private): https://www.notion.so/tarantool/Authentication-methods-908501aa74834bdea70c384d6df97105

[LeonidVas]

To be implemented in the EE-version of the connector.

[DifferentialOrange]

So should we close the issue here?

[LeonidVas]

The bosses turn the wheel one more time. We implement this feature here.