Update to the latest version of buildah

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

vendor/github.com/containers/common/pkg/cgroups/pids.go

@@ -1,62 +0,0 @@
-package cgroups
-
-import (
-	"fmt"
-	"io/ioutil"
-	"path/filepath"
-
-	spec "github.com/opencontainers/runtime-spec/specs-go"
-)
-
-type pidHandler struct {
-}
-
-func getPidsHandler() *pidHandler {
-	return &pidHandler{}
-}
-
-// Apply set the specified constraints
-func (c *pidHandler) Apply(ctr *CgroupControl, res *spec.LinuxResources) error {
-	if res.Pids == nil {
-		return nil
-	}
-	var PIDRoot string
-
-	if ctr.cgroup2 {
-		PIDRoot = filepath.Join(cgroupRoot, ctr.path)
-	} else {
-		PIDRoot = ctr.getCgroupv1Path(Pids)
-	}
-
-	p := filepath.Join(PIDRoot, "pids.max")
-	return ioutil.WriteFile(p, []byte(fmt.Sprintf("%d\n", res.Pids.Limit)), 0644)
-}
-
-// Create the cgroup
-func (c *pidHandler) Create(ctr *CgroupControl) (bool, error) {
-	return ctr.createCgroupDirectory(Pids)
-}
-
-// Destroy the cgroup
-func (c *pidHandler) Destroy(ctr *CgroupControl) error {
-	return rmDirRecursively(ctr.getCgroupv1Path(Pids))
-}
-
-// Stat fills a metrics structure with usage stats for the controller
-func (c *pidHandler) Stat(ctr *CgroupControl, m *Metrics) error {
-	var PIDRoot string
-
-	if ctr.cgroup2 {
-		PIDRoot = filepath.Join(cgroupRoot, ctr.path)
-	} else {
-		PIDRoot = ctr.getCgroupv1Path(Pids)
-	}
-
-	current, err := readFileAsUint64(filepath.Join(PIDRoot, "pids.current"))
-	if err != nil {
-		return err
-	}
-
-	m.Pids = PidsMetrics{Current: current}
-	return nil
-}