Release systemd version 252.6-1+apertis1

Signed-off-by: Ritesh Raj Sarraf <ritesh.sarraf@collabora.com>

debian/changelog

+systemd (252.6-1+apertis1) apertis; urgency=medium
+
+  * Sync updates from debian/bookworm
+  * Drop patches that are now reworked in this upstream release
+    - apertis/Remove-bashisms-from-the-depmod-wrapper.patch
+    - apertis/Remove-bashisms-from-the-UEFI-entries-generator.patch
+    - apertis/Reworked-kernel-install-script.patch
+    - apertis/Remove-bashisms-from-the-entry-directory-plugin.patch
+    - apertis/kernel-install-allow-to-create-BOOT-MACHINE_ID.patch
+    - apertis/Fix-the-path-to-bootable-binaries-in-efi-entry.patch
+    - apertis/basic-linux-Sync-if_arp.h-with-Linux-5.14.patch
+    - apertis/systemd-journal-flush-Add-a-requirement-on-var.mount.patch
+    - apertis/meson.build-change-operator-combining-bools-from-to-and.patch
+    - apertis/meson-do-not-fail-if-rsync-is-not-installed-with-meson-0.57.2.patch
+  * Remaining Apertis specific changes:
+    - AppArmor: Add systemd-logind profile
+    - Add /usr to non-unmountable list.
+    - Switch to OpenSSL, drop systemd-journal-remote and its dependency on
+      libmicrohttpd-dev
+    - Remove '-execdir +' usage for compatibility with rust-findutils
+        https://github.com/uutils/findutils/issues/6
+
+ -- Ritesh Raj Sarraf <ritesh.sarraf@collabora.com>  Fri, 07 Apr 2023 15:34:07 +0530
+
 systemd (252.6-1) unstable; urgency=medium
 
   * Update timedated autopkgtest. We no longer support /etc/timezone, as