Merge pull request #29272 from enr0n/coredump-container

coredump: support forwarding coredumps to containers

diff --cc man/org.freedesktop.systemd1.xml
Simple merge

diff --cc src/basic/cgroup-util.h
Simple merge

diff --cc src/basic/process-util.c
Simple merge

diff --cc src/basic/process-util.h
Simple merge

diff --cc src/core/cgroup.c
Simple merge

diff --cc src/core/cgroup.h
Simple merge

diff --cc src/core/dbus-cgroup.c
Simple merge