|WARNING| [v1,4/4] app/test: extend mldsa keygen support

[dpdklab at iol.unh.edu]

Test-Label: ai-code-review
Test-Status: WARNING
https://dpdk.org/patch/168805

_AI Code Review_

Error: API error: {'type': 'invalid_request_error', 'message': 'prompt is too long: 398989 tokens > 200000 maximum'}