feat: upgrade to arkworks v0.4.0

[bhgomes]

Signed-off-by: Brandon H. Gomes [email protected]

Upgrade to arkworks v0.4.0 including new curves and new APIs.

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Before we can merge this PR, please make sure that all the following items have been checked off:

• [ ] Linked to an issue with discussion and accepted design OR have an explanation in the PR that describes this work.
• [ ] Added one line describing your change in CHANGELOG.md and added the appropriate L- label to the PR.
• [ ] Re-reviewed Files changed in the GitHub PR explorer.
• [ ] Checked that changes and commits conform to the standards outlined in CONTRIBUTING.md.