Merge pull request #2230 from thaJeztah/update_selinux_v1.3.1

vendor: opencontainers/selinux v1.3.3, and update golang.org/x/sys

Author: AkihiroSuda

vendor.conf

@@ -6,7 +6,7 @@ github.com/opencontainers/runtime-spec  29686dbc5559d93fb1ef402eeda3e35c38d75af4
 # Core libcontainer functionality.
 github.com/checkpoint-restore/go-criu   17b0214f6c48980c45dc47ecb0cfd6d9e02df723 # v3.11
 github.com/mrunalp/fileutils            7d4729fb36185a7c1719923406c9d40e54fb93c7
-github.com/opencontainers/selinux       5215b1806f52b1fcc2070a8826c542c9d33cd3cf # v1.3.0 (+ CVE-2019-16884)
+github.com/opencontainers/selinux       31f70552238c5e017d78c3f1ba65e85f593f48e0 # v1.3.3
 github.com/seccomp/libseccomp-golang    689e3c1541a84461afc49c1c87352a6cedf72e9c # v0.9.1
 github.com/sirupsen/logrus              8bdbc7bcc01dcbb8ec23dc8a28e332258d25251f # v1.4.1
 github.com/syndtr/gocapability          d98352740cb2c55f81556b63d4a1ec64c5a319c2
@@ -21,7 +21,7 @@ github.com/golang/protobuf              925541529c1fa6821df4e44ce2723319eb2be768
 github.com/cyphar/filepath-securejoin   a261ee33d7a517f054effbf451841abaafe3e0fd # v0.2.2
 github.com/docker/go-units              47565b4f722fb6ceae66b95f853feed578a4a51c # v0.3.3
 github.com/urfave/cli                   cfb38830724cc34fedffe9a2a29fb54fa9169cd1 # v1.20.0
-golang.org/x/sys                        9eafafc0a87e0fd0aeeba439a4573537970c44c7 https://github.com/golang/sys
+golang.org/x/sys                        52ab431487773bc9dd1b0766228b1cf3944126bf https://github.com/golang/sys
 
 # console dependencies
 github.com/containerd/console           0650fd9eeb50bab4fc99dceb9f2e14cf58f36e7f