nucypher 7.4.x dependency update

[derekpierre]

Type of PR:

• Bugfix
• Feature
• Documentation
• Other

Required reviews:

• 1
• 2
• 3

What this does:

High-level idea of the changes introduced in this PR.
List relevant API changes (if any), as well as related PRs and issues.

• Update nucypher dependency to what is currently in the v7.4.x branch. Later on once 7.4.0 is released, we will switch to the published nucypher dependency.
• Update support for python 3.12
• Update CI workflows and docker builds to use python 3.12

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 addresses a nucypher/productdev issue, let reviewers know!

Notes for reviewers:

What should reviewers focus on?
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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.31%. Comparing base (0d35e03) to head (3b5e126).

Additional details and impacted files

@@             Coverage Diff              @@
##           development      #73   +/-   ##
============================================
  Coverage        87.31%   87.31%           
============================================
  Files               18       18           
  Lines              867      867           
============================================
  Hits               757      757           
  Misses             110      110           

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