systemd (257.3-1) unstable; urgency=medium

systemd (257.3-1) unstable; urgency=medium

  * d/t/control: do not pull in gdm3 on loong64. Not installable, skip it
    like s390x/riscv/armel
  * systemd-boot: warn if efibootmgr is not installed. As it means the
    boot entry won't be created, since it's a recommends
  * systemd-boot: fix creating bootvar on arm64
  * systemd-boot: check that bootvar really points to sd-boot. Otherwise
    it could be a leftover with another second stage. Check both encoded
    and decoded strings.
  * Drop fallback for missing linux-bpf-dev package
  * ukify: depend on python3-zstandard and recommend python3-lz4 arm64
    kernels are getting zboot+zstd so zstandard will be required for uname
    probing. lz4 might be used externally so just recommend it.
  * Update upstream source from tag 'upstream/257.3' Update to upstream
    version '257.3' with Debian dir
    1531e0bcaea1d2bf600be6d542bae876d1829da9
  * autopkgtest: fix mkosi config section

[dgit import unpatched systemd 257.3-1]