[timlichtenberg]

Description

Pin proteus-mpl 1.5.0, whose validation_plot fixture compares each validation plot with a data summary stored in the committed files in every test run (FormingWorlds/proteus-visual-language#25). The pin moves to proteus-mpl>=1.5.0 in pyproject.toml, and docs/assets/validation/toa_flux_diluted_stellar_spectrum.svg and its dark copy (52541 B each) are made again with 1.5.0, so each now carries the summary the fixture compares against.

Validation of changes

CI runs pytest tests/ with no marker filter, so the plot test is in the 100 tests that pass in each job, with no summary warning in the log. CI on the branch, Linux, Python 3.11 to 3.13, with proteus-mpl 1.5.0 installed: https://github.com/FormingWorlds/VULCAN/actions/runs/40087791833. Each committed file carries a summary of format 1 (read with proteus_mpl.validation.read_summary), and every file is under the 60 000 B cap.

Checklist

• I have followed the contributing guidelines
• My code follows the style guidelines of this project
• I have performed a self-review of my code
• My changes generate no new warnings or errors
• I have checked that the tests still pass on my computer
• I have updated the docs, as appropriate
• I have added tests for these changes, as appropriate
• I have checked that all dependencies have been updated, as required

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