Fix CVE-2023-22483 in cmark-gfm

[peti]

• https://bugzilla.opensuse.org/show_bug.cgi?id=1207437
• https://github.com/kivikakk/cmark-gfm-hs/issues/30
• http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-22483
• https://www.cve.org/CVERecord?id=CVE-2023-22483
• https://github.com/github/cmark-gfm/security/advisories/GHSA-29g3-96g3-jg6c

[mimi1vx]

we dropped it ? so fixed ?

[peti]

we dropped it ? so fixed ?

We still have the package in Leap, unfortunately. I'm not sure if we can fix it with a reasonable amount of effort, though.