[DRE-maint] Bug#895186: asciidoctor: url-related issues are fixed upstream

[Joseph Herlant]

Control: tag -1 + fixed-upstream

Hi,

The issue has been fixed upstream and will be released as part of
1.5.7 whose timeline is being discussed in
https://github.com/asciidoctor/asciidoctor/issues/2663

Thanks,
Joseph