Merge updates from debian/trixie

CMakeLists.txt

apt-pkg/contrib/configuration.cc

apt-pkg/contrib/configuration.h

apt-pkg/contrib/strutl.cc

apt-pkg/depcache.cc

apt-pkg/edsp.cc

apt-pkg/pkgcachegen.cc

apt-pkg/pkgcachegen.h

apt-pkg/solver3.cc

cmdline/apt-mark.cc

debian/changelog

doc/apt-verbatim.ent

doc/po/apt-doc.pot

doc/po/de.po

ftparchive/writer.cc

po/apt-all.pot

po/cs.po

po/de.po

po/ru.po

test/integration/framework