vendor: update containerd/cri to current master

- Remove dependency on libcontainer/system
- Get rid of socat for port forwarding
- Roll docker/distribution back to latest (v2.7.1) release
  Now that 901bcb2231 was merged in containerd,
  we no longer depend on the ParseDockerRef utility from docker/distribution,
  so we can safely roll back to the latest release for this dependency.
- vendor: kubernetes v1.18.2
  Fix client watch reestablishment handling of client-side timeouts
- Add config flag to default empty seccomp profile

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor.conf

@@ -56,7 +56,7 @@ gotest.tools/v3                                     v3.0.2
 github.com/cilium/ebpf                              4032b1d8aae306b7bb94a2a11002932caf88c644
 
 # cri dependencies
-github.com/containerd/cri                           65830369b6b2b4edc454bf5cebbd9b76c1c1ac66 # master
+github.com/containerd/cri                           8252e54f936b85b58799600edcb98987a8665300 # master
 github.com/davecgh/go-spew                          v1.1.1
 github.com/docker/distribution                      v2.7.1
 github.com/docker/docker                            4634ce647cf2ce2c6031129ccd109e557244986f