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Closes #21579

Summary

• Add uv as a new package type for brew bundle, supporting dump, install, check, and list
• Supports extras and --with requirements:

  uv "ruff"
  uv "mkdocs", with: ["mkdocs-material<10"]
  uv "fastapi[standard]"

This keeps the MVP focused. Version specifier support can be added in a follow-up.