Moving from Go module v4 to v5 prepares us for public releases.
Move done using gomove [1] as with the v3 and v4 moves.
[1] https://github.com/KSubedi/gomove
Signed-off-by: Matt Heon <mheon@redhat.com>
This also moves the logic for resolving paths in running and stopped
containers tp container_copy_linux.go.
On FreeBSD, we can execute the function argument to joinMountAndExec
directly using host-relative paths since the host mount namespace
includes all the container mounts.
[NO NEW TESTS NEEDED]
Signed-off-by: Doug Rabson <dfr@rabson.org>