Release Candidate 1

This RC1 includes the following since beta 2:

• Major improvements to the documentation
• Some minor stability fixes to help with strange returns from minio and better looking marching ants as the transforms run.

What's Changed

• Runnable tests in sphinx documentation by @ketan96-m in #421
• ci: Deploy 'latest' docs using GitHub Actions by @matthewfeickert in #442
• docs: Use ReadTheDocs url for docs by @matthewfeickert in #441
• ci: Unify docs build around Makefile by @matthewfeickert in #443
• Readthedocs with pyproject.toml by @ketan96-m in #457
• Examples for xAOD by @gordonwatts in #455
• Fix minio handling of buckets in rare cases by @ponyisi in #458
• Fix for colors with multiple progress bars by @ponyisi in #459
• Overhaul of ServiceX Docs for 3.0 release by @BenGalewsky in #444
• docs: Fix typo by @matthewfeickert in #460
• docs: Add sphinx-copybutton support by @matthewfeickert in #463

Full Changelog: 3.0.0-beta-1...3.0.0-rc-1