Let the file target of $> redirection be quoted

[rolandwalker]

Description

Like .> to save parquet, $> targets should be allowed to be quoted, and to contain spaces if so.

Incidentally clarify in TIPS that $> defaults to CSV format.

Example:

SELECT * FROM orders $> "output.csv";

Checklist

• I added this contribution to the changelog.md file.
• I added my name to the AUTHORS file (or it's already there).
• To lint and format the code, I ran

  uv run ruff check && uv run ruff format && uv run mypy --install-types .