Add larger N2 machine types (Ice Lake) and Tau T2D types (#126)

Author: wata727

rules/utils.go

@@ -32,6 +32,8 @@ var validMachineTypes = map[string]bool{
 	"n2-standard-48":   true,
 	"n2-standard-64":   true,
 	"n2-standard-80":   true,
+	"n2-standard-96":   true,
+	"n2-standard-128":  true,
 	"n2-highmem-2":     true,
 	"n2-highmem-4":     true,
 	"n2-highmem-8":     true,
@@ -40,6 +42,8 @@ var validMachineTypes = map[string]bool{
 	"n2-highmem-48":    true,
 	"n2-highmem-64":    true,
 	"n2-highmem-80":    true,
+	"n2-highmem-96":    true,
+	"n2-highmem-128":   true,
 	"n2-highcpu-2":     true,
 	"n2-highcpu-4":     true,
 	"n2-highcpu-8":     true,
@@ -48,6 +52,7 @@ var validMachineTypes = map[string]bool{
 	"n2-highcpu-48":    true,
 	"n2-highcpu-64":    true,
 	"n2-highcpu-80":    true,
+	"n2-highcpu-96":    true,
 	"n2d-standard-2":   true,
 	"n2d-standard-4":   true,
 	"n2d-standard-8":   true,
@@ -79,6 +84,14 @@ var validMachineTypes = map[string]bool{
 	"n2d-highcpu-96":   true,
 	"n2d-highcpu-128":  true,
 	"n2d-highcpu-224":  true,
+	"t2d-standard-1":   true,
+	"t2d-standard-2":   true,
+	"t2d-standard-4":   true,
+	"t2d-standard-8":   true,
+	"t2d-standard-16":  true,
+	"t2d-standard-32":  true,
+	"t2d-standard-48":  true,
+	"t2d-standard-60":  true,
 	"n1-standard-1":    true,
 	"n1-standard-2":    true,
 	"n1-standard-4":    true,