tlsfuzzer: update to the latest version to enable more TLS 1.3 tests

This updates the tlsfuzzer to the latest git master to enable more tests.

Note that this also introduces FFDHE6144 and fixes PSK crash.

Checklist

• Test suite updated with functionality tests
• Test suite updated with negative tests

Reviewer's checklist:

• Any issues marked for closing are addressed
• There is a test suite reasonably covering new functionality or modifications
• Function naming, parameters, return values, types, etc., are consistent and according to CONTRIBUTION.md
• This feature/change has adequate documentation added
• No obvious mistakes in the code