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GH-14846: [Dev] Support GitHub Releases in download_rc_binaries.py (#14848)


* Closes: #14846

Lead-authored-by: David Li <li.davidm96@gmail.com>
Co-authored-by: Sutou Kouhei <kou@cozmixng.org>
Signed-off-by: David Li <li.davidm96@gmail.com>