Fix an issue with low network performance by pinning the kernel to version
5.15.164. The faulty kernel (5.15.165) introduced in release 2024_026 had
not yet reached production machines when we rolled out the change on
2024-09-03. This hotfix was merged with the regular maintenance updates and
caused no additional impact (PL-132971).
gitlab: security update 17.2.5 (PL-133009).
Pull upstream NixOS changes, security fixes and package updates (PL-132999):