Merge updates from debian/bookworm

debian/changelog

+base-files (12.4+deb12u7) bookworm; urgency=medium
+
+  * Change /etc/debian_version to 12.7, for Debian 12.7 point release.
+
+ -- Santiago Vila <sanvila@debian.org>  Wed, 14 Aug 2024 18:10:00 +0200
+
 base-files (12.4+deb12u6+apertis2) apertis; urgency=medium
 
   * Update base files for apertis/v2025pre

etc/debian_version

-12.6
+12.7