Dockerfile: bump CRIU 3.14

full diff: https://github.com/checkpoint-restore/criu/compare/v3.13...v3.14

New features

- C/R of memfd memory mappings and file descriptors.
- Add time namespace support.
- Add the read pre-dump mode which uses process_vm_readv.
- Add --cgroup-yard option
- Add support of the cgroup v2 freezer.
- Add support of opened O_PATH fds.

Bugfixes

- Fix C/R ia32 processes on AMD
- Fix cross-compilation
- Many fixes here and there

Improvements

- Use clone3() with set_tid to restore processes
- Clean up compel headers.
- Use the new mount API

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
(cherry picked from commit a342010823d36536499aafed527e8d203b9e2059)
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
diff --git a/Dockerfile b/Dockerfile
index c0842f8..1c966bf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -51,7 +51,7 @@
     && rm -rf /var/lib/apt/lists/*
 
 # Install CRIU for checkpoint/restore support
-ENV CRIU_VERSION 3.13
+ARG CRIU_VERSION=3.14
 RUN mkdir -p /usr/src/criu \
     && curl -sSL https://github.com/checkpoint-restore/criu/archive/v${CRIU_VERSION}.tar.gz | tar -C /usr/src/criu/ -xz --strip-components=1 \
     && cd /usr/src/criu \