vendor: bump runc to 1.0.1

The commands used were (roughly):

	hack/pin-dependency.sh github.com/opencontainers/runc v1.0.1
	hack/lint-dependencies.sh
	# Follow its recommendations.
	hack/pin-dependency.sh github.com/cilium/ebpf v0.6.2
	hack/pin-dependency.sh github.com/opencontainers/selinux v1.8.2
	hack/pin-dependency.sh github.com/sirupsen/logrus v1.8.1
	# Recheck.
	hack/lint-dependencies.sh
	GO111MODULE=on go mod edit -dropreplace github.com/willf/bitset
	hack/update-vendor.sh
	# Recheck.
	hack/lint-dependencies.sh
	hack/update-internal-modules.sh
	# Recheck.
	hack/lint-dependencies.sh

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

vendor/github.com/opencontainers/runc/libcontainer/system/linux.go

@@ -35,7 +35,16 @@ func Execv(cmd string, args []string, env []string) error {
 		return err
 	}
 
-	return unix.Exec(name, args, env)
+	return Exec(name, args, env)
+}
+
+func Exec(cmd string, args []string, env []string) error {
+	for {
+		err := unix.Exec(cmd, args, env)
+		if err != unix.EINTR { //nolint:errorlint // unix errors are bare
+			return err
+		}
+	}
 }
 
 func Prlimit(pid, resource int, limit unix.Rlimit) error {

vendor/github.com/opencontainers/runc/libcontainer/system/proc.go

@@ -96,7 +96,7 @@ func parseStat(data string) (stat Stat_t, err error) {
 	// one (PID) and two (Name) in the paren-split.
 	parts = strings.Split(data[i+2:], " ")
 	var state int
-	fmt.Sscanf(parts[3-3], "%c", &state)
+	fmt.Sscanf(parts[3-3], "%c", &state) //nolint:staticcheck // "3-3" is more readable in this context.
 	stat.State = State(state)
 	fmt.Sscanf(parts[22-3], "%d", &stat.StartTime)
 	return stat, nil

vendor/github.com/opencontainers/runc/libcontainer/system/userns_deprecated.go

@@ -1,5 +0,0 @@
-package system
-
-import "github.com/opencontainers/runc/libcontainer/userns"
-
-var RunningInUserNS = userns.RunningInUserNS