vendor: bump runc to rc95

runc rc95 contains a fix for CVE-2021-30465.

runc rc94 provides fixes and improvements.

One notable change is cgroup manager's Set now accept Resources rather
than Cgroup (see https://github.com/opencontainers/runc/pull/2906).
Modify the code accordingly.

Also update runc dependencies (as hinted by hack/lint-depdendencies.sh):

        github.com/cilium/ebpf v0.5.0
        github.com/containerd/console v1.0.2
        github.com/coreos/go-systemd/v22 v22.3.1
        github.com/godbus/dbus/v5 v5.0.4
        github.com/moby/sys/mountinfo v0.4.1
        golang.org/x/sys v0.0.0-20210426230700-d19ff857e887
        github.com/google/go-cmp v0.5.4
        github.com/kr/pretty v0.2.1
        github.com/opencontainers/runtime-spec v1.0.3-0.20210326190908-1c3f411f0417

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>

vendor/github.com/opencontainers/runc/libcontainer/setns_init_linux.go

@@ -12,6 +12,7 @@ import (
 	"github.com/opencontainers/runc/libcontainer/system"
 	"github.com/opencontainers/selinux/go-selinux"
 	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
 	"golang.org/x/sys/unix"
 )
 
@@ -21,6 +22,7 @@ type linuxSetnsInit struct {
 	pipe          *os.File
 	consoleSocket *os.File
 	config        *initConfig
+	logFd         int
 }
 
 func (l *linuxSetnsInit) getSessionRingName() string {
@@ -86,5 +88,11 @@ func (l *linuxSetnsInit) Init() error {
 			return newSystemErrorWithCause(err, "init seccomp")
 		}
 	}
+	logrus.Debugf("setns_init: about to exec")
+	// Close the log pipe fd so the parent's ForwardLogs can exit.
+	if err := unix.Close(l.logFd); err != nil {
+		return newSystemErrorWithCause(err, "closing log pipe fd")
+	}
+
 	return system.Execv(l.config.Args[0], l.config.Args[0:], os.Environ())
 }