Detect URLs in Actions log output and render them as clickable links,
similar to how GitHub Actions handles this. Pre-existing links from
ansi_up's OSC 8 parsing are also kept intact.
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Signed-off-by: silverwind <me@silverwind.io>
Co-authored-by: Claude (claude-opus-4-6) <noreply@anthropic.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>