Make zizmor collection strict

[adamtheturtle]

Note

Tightens CI checks and tidies config.

• Switches zizmor pre-commit hook to zizmor --strict-collection .github for stricter GitHub workflow validation
• Cleans up .prettierrc by removing a duplicate printWidth option for YAML files

^{Written by Cursor Bugbot for commit 7de5dbb. This will update automatically on new commits. Configure here.}