Merge version 251.4-3+rpi1 and 251.5-1 to produce 251.5-1+rpi1

diff --cc debian/changelog
index 5c7a701c682ef4491df4c2abbfa70189c82e40c2,7c3b9ed076c164c3e41856c5997dc82cc001b4ff..7621225ff67071a2b21694a6fcbecee80ff27c37
--- 1/debian/changelog
--- 2/debian/changelog
+++ b/debian/changelog
@@@ -1,16 -1,44 +1,58 @@@
- systemd (251.4-3+rpi1) bookworm-staging; urgency=medium
++systemd (251.5-1+rpi1) bookworm-staging; urgency=medium
 +
 +  [changes brought forward from 239-9+rpi1 by Peter Michael Green <plugwash@raspbian.org> at Thu, 20 Sep 2018 20:22:45 +0000]
 +  * Disable testsuite, it fails on some of our buildboxes (probablly because of
 +    old kernels).
 +  * Add breaks on raspi-copies-and-fills, it doesn't seem to get on with
 +    this version of systemd/udev.
 +
 +  [changes brought forward from 241-1+rpi2 by Peter Michael Green <plugwash@raspbian.org> at Tue, 02 Apr 2019 19:29:26 +0000]
 +  * Bump "breaks" on raspi-copies-and-fills to << 0.12
 +    (raspi-copies-and-fills was reverted by the raspberry pi foundation)
 +
-  -- Raspbian forward porter <root@raspbian.org>  Sat, 24 Sep 2022 02:56:57 +0000
++ -- Raspbian forward porter <root@raspbian.org>  Mon, 10 Oct 2022 04:11:32 +0000
++
+ systemd (251.5-1) unstable; urgency=medium
+ 
+   [ Michael Biebl ]
+   * New upstream version 251.5
+   * Install NEWS.Debian file into all binary packages.
+     While it increases the disk footprint a little, it ensures that NEWS
+     entries are reliably shown by apt-listchanges.
+   * Handle removal of /var/log/README.
+     Remove /var/log/README symlink when the systemd package is purged.
+     This symlink is created via tmpfiles and documents that /var/log no
+     longer contains the traditional syslog text files. (Closes: #877414)
+   * Rebase patches
+ 
+   [ наб ]
+   * debian/extra/kernel/postinst.d/systemd-boot: prefix with zz-
+     Since we explicitly (though this is hidden by indirection through
+     85-initrd.install) depend on /boot/initrd.img-$1 existing or not existing,
+     hard-order ourselves at the end. The zz- prefix matches grub.
+   * debian/extra/kernel-install.d/85-initrd.install: install default initrd
+     with versioned basename.
+     This fixes #1020396 in a superior way by using
+     $KERNEL_INSTALL_STAGING_AREA, available since systemd v251.
+     By just copying the file we both simplify our code, but defer to
+     90-loaderentry to correctly permission it, and simply never generate an
+     unversioned initrd in the first place! (Closes: #1020396)
+   * debian/extra/kernel-install.d/85-initrd.install: explicitly ignore unknown
+     verbs
+   * debian/extra/kernel/postrm.d/systemd-boot: prefix with zz-
+     Doesn't actually matter, but the kernel handbook says we must and we
+     already renamed postinst. (Closes: #1014581)
+ 
+   [ Luca Boccassi ]
+   * Enable firstboot, disabled by default on Debian.
+     Currently the first-boot conditions are not met by any Debian
+     image (/etc/machine-id with content uninitialized, so we can
+     just enable the build and ship it in the main package.
+     This lets image builders (eg: cloud images) tinker with it.
+     https://www.freedesktop.org/software/systemd/man/machine-id.html#First%20Boot%20Semantics
+     (Closes: #844528)
+ 
+  -- Michael Biebl <biebl@debian.org>  Sun, 02 Oct 2022 21:23:49 +0200
  
  systemd (251.4-3) unstable; urgency=medium
  

diff --cc debian/rules
Simple merge