Update from debian/bookworm for apertis/v2024dev3

exim4 (4.96-15+deb12u1) bookworm; urgency=medium .

• 75_42-Fix-run-arg-parsing.patch (From upstream GIT master, backported by Bryce Harrington for Ubuntu): Fix argument parsing for ${run } expansion. Previously, when an argument included a close-brace character (eg. it itself used an expansion) an error occurred. Closes: #1025420
• 75_68-Fix-srs_encode-.-for-mod-1024-day-zero.patch from upstream GIT master: Fix ${srs_encode ..}. Previously it would give a bad result for one day every 1024 days. . exim4 (4.96-15) unstable; urgency=medium .
• Pull from upstream GIT master:
  • 75_70-Fix-variable-initialisation-in-smtp-transport.-Bug-2.patch Fix a crash in the smtp transport. https://bugs.exim.org/show_bug.cgi?id=2996