mkosi: update debian commit reference

* 5d185f7901 Install new files for upstream CI
* c6484e14fc Update changelog for 257.1-7 release
* 543c1e6a42 d/t/tests-in-lxd: more fixes for debci compatibility
* a7d4a7ffa3 Add missing d/copyright file to signed template packages
* ab48efa495 Install new files for upstream CI
* d0cae6d06c Update changelog for 257.1-6 release
* 2fd23ffaaa Drop build dependency on libxen-dev on armhf, no longer available
* 35fbac92a5 d/t/upstream: update mkosi setting name
* 4d9862709e d/t/tests-in-lxd: drop auto-apt-proxy.conf from container
* cf133a8d32 Update changelog for 257.1-5 release
* 77ec315ec5 d/t/upstream: switch from btrfs to ext4 and use nspawn again
* 9c57f51fb8 d/t/upstream: do not mask machined and instead use mkosi workaround
* eb8b91d98b d/t/upstream: do not use --verbose with 'meson test'
* 21c65b7e22 d/t/tests-in-lxd: auto-apt-proxy is in universe in Ubuntu
* 081a78884b d/t/tests-in-lxd: install auto-apt-proxy in the nested container
* faa014a64e Update changelog for 257.1-4 release
* 4a48235928 Backport patch to workaround issue in new mdadm
* 005390f039 d/t/upstream: mask systemd-machined
* f7c86d8ec3 d/t/upstream: disable homed/userdbd in the test runner
* a1c30e55e0 d/t/upstream: do not use nspawn for tests
* 9bad1d3021 d/t/upstream: decrease parallelism to nproc - 1
* 7d1d583d7b Update changelog for 257.1-3 release
* dfe5996032 autopkgtest: mark tests-in-lxd as flaky
* 331567b13d d/t/upstream: disable ToolsTree= in mkosi config
* 04af5d8604 Update changelog for 257.1-2 release
* 2e58f0092c d/t/tests-in-lxd: use a single autopkgtest invocation
* 4b608de1d2 d/t/tests-in-lxd: prefer $AUTOPKGTEST_TMP to manual discovery
* fb4f3e4272 d/t/tests-in-lxd: do not fail if /etc/apt/sources.list.d/autopkgtest.list does not exist
* 385bbd0147 d/t/tests-in-lxd: set -x to get more logs
* ab678ff879 d/t/tests-in-lxd: quote variables to fix shellcheck warning
* 0d0eb96f16 d/t/tests-in-lxd: workaround broken os-release in sid
* 916a518d8e d/t/tests-in-lxd: use correct lxc image for debian
* 97deb28f99 Update changelog for 257.1-1 release
* 6276567a1d Install systemd-creds bash completion
* 084248775c Drop patches, merged upstream
* c4aa4ac6bd Update upstream source from tag 'upstream/257.1'
* dffde7eae8 d/watch: restrict to v257.x series
* 3c5143991c d/t/tests-in-lxd: fix autopkgtest source dir
* 5626a78ad1 systemd-ukify: recommend python3-cryptography
* ca5fdf7bc5 d/t/control: move tests-in-lxd above upstream suite
* 71c3f1014c d/systemd-resolved.postinst: copy existing /etc/resolv.conf on new installs
* 6ca4f4c1e5 d/control: make systemd-sysv Depends: on matching version of systemd
* eae57033c2 debian/control: add Breaks: systemd (<< ${binary:Version}) for udev
* 408cc1872c debian/systemd.postinst: Skip daemon-reexec and try-restarts during shutdown
* 6b3a01118b debian/tests/boot-and-services: drop test_no_failed
* 5a333eef8c d/t/tests-in-lxd: run some tests under LXD
* 882d221400 d/t/upstream: fix mkosi syntax warnings

mkosi.images/build/mkosi.conf.d/debian-ubuntu/mkosi.conf

@@ -9,7 +9,7 @@ Environment=
         GIT_URL=https://salsa.debian.org/systemd-team/systemd.git
         GIT_SUBDIR=debian
         GIT_BRANCH=debian/master
-        GIT_COMMIT=e8b7c9a4dda2888fec41ac020e1194cfdf57eb5d
+        GIT_COMMIT=5d185f7901a758a454e16fcfc7a18c67d18fdce5
         PKG_SUBDIR=debian
 
 [Content]