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/cilium/ebpf/internal/elf.go

@@ -0,0 +1,52 @@
+package internal
+
+import (
+	"debug/elf"
+	"fmt"
+	"io"
+)
+
+type SafeELFFile struct {
+	*elf.File
+}
+
+// NewSafeELFFile reads an ELF safely.
+//
+// Any panic during parsing is turned into an error. This is necessary since
+// there are a bunch of unfixed bugs in debug/elf.
+//
+// https://github.com/golang/go/issues?q=is%3Aissue+is%3Aopen+debug%2Felf+in%3Atitle
+func NewSafeELFFile(r io.ReaderAt) (safe *SafeELFFile, err error) {
+	defer func() {
+		r := recover()
+		if r == nil {
+			return
+		}
+
+		safe = nil
+		err = fmt.Errorf("reading ELF file panicked: %s", r)
+	}()
+
+	file, err := elf.NewFile(r)
+	if err != nil {
+		return nil, err
+	}
+
+	return &SafeELFFile{file}, nil
+}
+
+// Symbols is the safe version of elf.File.Symbols.
+func (se *SafeELFFile) Symbols() (syms []elf.Symbol, err error) {
+	defer func() {
+		r := recover()
+		if r == nil {
+			return
+		}
+
+		syms = nil
+		err = fmt.Errorf("reading ELF symbols panicked: %s", r)
+	}()
+
+	syms, err = se.File.Symbols()
+	return
+}