Update runc-checkpoint man-page
This just copies the latest output from 'runc checkpoint --help' to the
man page.
@@ -18,8 +18,11 @@ checkpointed.
--tcp-established allow open tcp connections
--ext-unix-sk allow external unix sockets
--shell-job allow shell jobs
+ --lazy-pages use userfaultfd to lazily restore memory pages
+ --status-fd value criu writes \0 to this FD once lazy-pages is ready
--page-server value ADDRESS:PORT of the page server
--file-locks handle file locks, for safety
--pre-dump dump container's memory information only, leave the container running after this
--manage-cgroups-mode value cgroups mode: 'soft' (default), 'full' and 'strict'
--empty-ns value create a namespace, but don't restore its properties
+ --auto-dedup enable auto deduplication of memory images
