Update hcsshim and gowinio for Windows Overlay

vendor/github.com/Microsoft/hcsshim/internal/schema2/save_options.go

@@ -0,0 +1,19 @@
+/*
+ * HCS API
+ *
+ * No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
+ *
+ * API version: 2.1
+ * Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
+ */
+
+package hcsschema
+
+type SaveOptions struct {
+
+	//  The type of save operation to be performed.
+	SaveType string `json:"SaveType,omitempty"`
+
+	//  The path to the file that will container the saved state.
+	SaveStateFilePath string `json:"SaveStateFilePath,omitempty"`
+}