Fix: Release eciespy 0.4.2 solves the conflicts with coincurve

[hoh]

No description provided.

[github-actions]

The PR is categorized as 'BLUE' because the changes are minor and are likely to have minimal impact on the codebase. The changes are mainly to the pyproject.toml file, which is a configuration file for Python projects. The changes include updating the dependencies for eciespy and pynacl. These are likely to be minor updates and won't have a significant impact on the codebase.

Highlights:

• The dependencies for eciespy and pynacl are updated.
• The PR does not introduce new features or changes to existing logic.
• The PR is likely to have minimal impact on the codebase.

This PR does not require a deep understanding of the project architecture and should be reviewed by any developer.