Update pyproject.toml files

[reweeden]

Update to poetry-core 2.0 so we can use the standard [project] section.

Also updates dependency specifiers to use ~= so dependabot / GitHub security doesn't get so confused about what version is actually used

Pull Request Checklist

I have:

• performed a self review of my code I&A code style
  • Resources and Data Structures are sorted by ABC or a defined sorting pattern
• updated the documentation accordingly
• verified required action checks are passing
• bumped the version number as appropriate