fix(SOLSYS): fix Ruff CI format fail + CodeQL bpy alerts

[ThomasAFink]

Summary

• Root cause of failed ✨ Ruff on main: CI installs Ruff 0.16.1 (requirements-dev.txt) while local/pre-commit was still 0.14.14, so format disagreed on star_catalog.py.
• Reformat star_catalog.py under 0.16.1 and bump .pre-commit-config.yaml to v0.16.1.
• Also clear the two open code scanning py/unused-import alerts on unused bpy imports (load_body.py, render_flyby.py) via importlib.util.find_spec.

Test plan

• Local ruff==0.16.1: ruff check + ruff format --check on animate static solsys render.py
• Confirm ✨ Ruff is green on this PR
• After merge, confirm CodeQL alerts close

Please review before merge — will not merge until you say so.

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Review details

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: 37424045-a895-4fcd-844a-80a8f73bb8cc

📥 Commits

Reviewing files that changed from the base of the PR and between 496151f and 5512662.

📒 Files selected for processing (4)

• .pre-commit-config.yaml
• animate/scenes/blender/load_body.py
• animate/scenes/blender/render_flyby.py
• solsys/physics/catalogs/star_catalog.py

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