bug#70539: Flatpak is vulnerable to CVE-2024-32462

[DonaldSanders1968 via Bug reports for GNU Guix]

Hi Guix,

Flatpak before versions 1.10.9, 1.12.9, 1.14.6, and 1.15.8 is vulnerable to 
[CVE-2024-32462](https://nvd.nist.gov/vuln/detail/CVE-2024-32462). Currently 
what we have is in version 1.14.4.

Kind regards,

Donald