Use new children schema and drop support for python < 3.10

Contents (#119)

IMPORTANT: There are 2 breaking changes.

Enhancements

• 💥 BREAKING CHANGE: Use new children schema

Dependencies

• 💥 BREAKING CHANGE: Drop support for python<3.10 and fix numpy version

Operations

• Update python version test matrix
• Update PyPI trusted publisher action

Chores

• Add setuptools to Sphinx to avoid distutils missing error

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Upgrade instructions

💥 Use new children schema

Replace project_name with project_id (see octue/octue-sdk-python#731 for more info).

💥 Drop support for `python<3.10` and fix `numpy` version

Update to python>=3.10