fix: fix compatibility with numpy >=2.4

[coroa]

Changes proposed in this Pull Request

np.trapz was deprecated in favour of np.trapezoid in numpy 2.0 and removed in 2.4.

Checklist

• I tested my contribution locally and it works as intended.
• Code and workflow changes are sufficiently documented.
• Changed dependencies are added to pixi.toml (using pixi add <dependency-name>).
• Changes in configuration options are added in config/config.default.yaml.
• Changes in configuration options are documented in doc/configtables/*.csv.
• For new data sources or versions, these instructions have been followed.
• A release note doc/release_notes.rst is added.

[coroa]

Zenodo causing more work: PyPSA/powerplantmatching#276