mkosi: update debian commit reference to 8ba719208ff28f36bc240328725eb10008838c39

mkosi: update debian commit reference to 8ba719208ff28f36bc240328725eb10008838c39

* 8ba719208f systemd-boot: install kernel hooks to /usr/share/
* c4d6093398 Update changelog for 258~rc2-2 release
* b21987b0f9 More NEWS updates about sysv support
* cd7d07f66b NEWS: fixlets and adjustments
* 34ef04cb45 Stop installing /var/lib/systemd in the package
* 08b77c5b7c Update changelog for 258~rc2-1 release
* 48b3ec2b9a systemd-container: update lintian overrides for more false positives
* 31547d827b systemd-boot: make efibootmgr a dependency
* 88a7261c00 d/t/control: prefer systemd-boot-tools if available
* 478ea8945f systemd-boot: fix registering/removing uncompressed kernels
* b072f60375 NEWS: fix typo
* 985a3c8d56 systemd-boot: register interest in systemd-boot-signed trigger
* f13b262bf6 d/rules: set debugoptimized for upstream builds
* 615f8851e8 Install usr/share/factory files and restore nsswitch.conf/pam.d/issue on factory reset
* 61792528f2 Update changelog for 258~rc1-1 release
* 116371a1df d/copyright: update paths
* 41437c9c54 Add a few more conflicts to packages providing the same files
* 0e5eea70fd Fix Lintian warning debian-news-entry-uses-asterisk
* 60595acb01 Update Lintian overrides
* b8662ba796 Update symbols file for 258~rc1
* 58553602ca NEWS: note removal of telinit/runlevel
* d78ade0842 Drop all workarounds that are obsolete after trixie
* 7ef47f9f6b Drop world-writable /run/lock debianism
* 9d6d3a4154 NEWS: note cgroupv1 removal
* ef2ef6f35d Enable sd-vmspawn
* ac2aec3b68 Add and remove files for 258~rc1
* 06582be4e6 d/watch: remove restriction to v257.x series
* 88ccb1552a salsa-ci: enable arm64 build