Relock dependencies to latest

[derekpierre]

Type of PR:

• [ ] Bugfix
• [ ] Feature
• [ ] Documentation
• [X] Other

Required reviews:

• [ ] 1
• [X] 2
• [ ] 3

What this does:

• Relock dependencies to latest. Should addresses issues observed in CI for #241 and #242
• Fixes https://github.com/nucypher/nucypher-contracts/issues/233 now that we are using eth-ape >= 0.7.8.

Issues fixed/closed:

• Fixes #...

Why it's needed:

Explain how this PR fits in the greater context of the NuCypher Network. E.g., if this PR address a nucypher/productdev issue, let reviewers know!

Notes for reviewers:

What should reviewers focus on? Is there a particular commit/function/section of your PR that requires more attention from reviewers?