chore: generify poseidon2 parameters for other curves/fr

[yelhousni]

Description

Generify poseidon2 parameters for other curves/fr

Type of change

• New feature (non-breaking change which adds functionality)

How has this been tested?

N/A

How has this been benchmarked?

N/A

Checklist:

• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• I did not modify files generated from templates
• golangci-lint does not output errors locally
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[Tabaie]

LGTM except for that commented block

[gbotrel]

Can you rebase one top of #629 ? (i.e. update this PR to include small fields, and set it to merge on feat/poseidon2-koala+baby-bear instead of master). Then we will merge #629 first, and this one next