update dependencies

Ran a `go get -u` and bumped K8s deps to 1.15.0.

Signed-off-by: Valentin Rothberg <rothberg@redhat.com>

vendor/github.com/opencontainers/runtime-tools/generate/config.go

@@ -151,6 +151,13 @@ func (g *Generator) initConfigWindows() {
 	}
 }
 
+func (g *Generator) initConfigWindowsNetwork() {
+	g.initConfigWindows()
+	if g.Config.Windows.Network == nil {
+		g.Config.Windows.Network = &rspec.WindowsNetwork{}
+	}
+}
+
 func (g *Generator) initConfigWindowsHyperV() {
 	g.initConfigWindows()
 	if g.Config.Windows.HyperV == nil {
@@ -171,3 +178,31 @@ func (g *Generator) initConfigWindowsResourcesMemory() {
 		g.Config.Windows.Resources.Memory = &rspec.WindowsMemoryResources{}
 	}
 }
+
+func (g *Generator) initConfigVM() {
+	g.initConfig()
+	if g.Config.VM == nil {
+		g.Config.VM = &rspec.VM{}
+	}
+}
+
+func (g *Generator) initConfigVMHypervisor() {
+	g.initConfigVM()
+	if &g.Config.VM.Hypervisor == nil {
+		g.Config.VM.Hypervisor = rspec.VMHypervisor{}
+	}
+}
+
+func (g *Generator) initConfigVMKernel() {
+	g.initConfigVM()
+	if &g.Config.VM.Kernel == nil {
+		g.Config.VM.Kernel = rspec.VMKernel{}
+	}
+}
+
+func (g *Generator) initConfigVMImage() {
+	g.initConfigVM()
+	if &g.Config.VM.Image == nil {
+		g.Config.VM.Image = rspec.VMImage{}
+	}
+}