build(deps): bump github.com/Microsoft/hcsshim from 0.12.4 to 0.12.5

Bumps [github.com/Microsoft/hcsshim](https://github.com/Microsoft/hcsshim) from 0.12.4 to 0.12.5.
- [Release notes](https://github.com/Microsoft/hcsshim/releases)
- [Commits](https://github.com/Microsoft/hcsshim/compare/v0.12.4...v0.12.5)

---
updated-dependencies:
- dependency-name: github.com/Microsoft/hcsshim
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/github.com/Microsoft/hcsshim/hcn/hcn.go

@@ -336,6 +336,18 @@ func DisableHostPortSupported() error {
 	return platformDoesNotSupportError("DisableHostPort")
 }
 
+// AccelnetSupported returns an error if the HCN version does not support Accelnet Feature.
+func AccelnetSupported() error {
+	supported, err := GetCachedSupportedFeatures()
+	if err != nil {
+		return err
+	}
+	if supported.Accelnet {
+		return nil
+	}
+	return platformDoesNotSupportError("Accelnet")
+}
+
 // RequestType are the different operations performed to settings.
 // Used to update the settings of Endpoint/Namespace objects.
 type RequestType string

vendor/github.com/Microsoft/hcsshim/hcn/hcnglobals.go

@@ -89,6 +89,8 @@ var (
 	DisableHostPortVersion = VersionRanges{VersionRange{MinVersion: Version{Major: 15, Minor: 1}, MaxVersion: Version{Major: math.MaxInt32, Minor: math.MaxInt32}}}
 	// HNS 15.4 allows for Modify Loadbalancer support
 	ModifyLoadbalancerVersion = VersionRanges{VersionRange{MinVersion: Version{Major: 15, Minor: 4}, MaxVersion: Version{Major: math.MaxInt32, Minor: math.MaxInt32}}}
+	// HNS 15.4 allows for Accelnet support
+	AccelnetVersion = VersionRanges{VersionRange{MinVersion: Version{Major: 15, Minor: 4}, MaxVersion: Version{Major: math.MaxInt32, Minor: math.MaxInt32}}}
 )
 
 // GetGlobals returns the global properties of the HCN Service.

vendor/github.com/Microsoft/hcsshim/hcn/hcnnetwork.go

@@ -73,6 +73,7 @@ const (
 	None                NetworkFlags = 0
 	EnableNonPersistent NetworkFlags = 8
 	DisableHostPort     NetworkFlags = 1024
+	EnableIov           NetworkFlags = 8192
 )
 
 // HostComputeNetwork represents a network

vendor/github.com/Microsoft/hcsshim/hcn/hcnsupport.go

@@ -39,6 +39,7 @@ type SupportedFeatures struct {
 	NestedIpSet              bool        `json:"NestedIpSet"`
 	DisableHostPort          bool        `json:"DisableHostPort"`
 	ModifyLoadbalancer       bool        `json:"ModifyLoadbalancer"`
+	Accelnet                 bool        `json:"Accelnet"`
 }
 
 // AclFeatures are the supported ACL possibilities.
@@ -118,6 +119,7 @@ func getSupportedFeatures() (SupportedFeatures, error) {
 	features.NestedIpSet = isFeatureSupported(globals.Version, NestedIpSetVersion)
 	features.DisableHostPort = isFeatureSupported(globals.Version, DisableHostPortVersion)
 	features.ModifyLoadbalancer = isFeatureSupported(globals.Version, ModifyLoadbalancerVersion)
+	features.Accelnet = isFeatureSupported(globals.Version, AccelnetVersion)
 
 	log.L.WithFields(logrus.Fields{
 		"version":           globals.Version,