Update db instance type list with m6i and r6i (#380)

Author: milestruecar

rules/aws_db_instance_invalid_type.go

@@ -72,6 +72,15 @@ func NewAwsDBInstanceInvalidTypeRule() *AwsDBInstanceInvalidTypeRule {
 			"db.m6g.2xlarge":            true,
 			"db.m6g.xlarge":             true,
 			"db.m6g.large":              true,
+			"db.m6i.32xlarge":           true,
+			"db.m6i.24xlarge":           true,
+			"db.m6i.16xlarge":           true,
+			"db.m6i.12xlarge":           true,
+			"db.m6i.8xlarge":            true,
+			"db.m6i.4xlarge":            true,
+			"db.m6i.2xlarge":            true,
+			"db.m6i.xlarge":             true,
+			"db.m6i.large":              true,
 			"db.mv11.24xlarge":          true,
 			"db.mv11.12xlarge":          true,
 			"db.mv11.4xlarge":           true,
@@ -133,6 +142,15 @@ func NewAwsDBInstanceInvalidTypeRule() *AwsDBInstanceInvalidTypeRule {
 			"db.r6g.2xlarge":            true,
 			"db.r6g.xlarge":             true,
 			"db.r6g.large":              true,
+			"db.r6i.32xlarge":           true,
+			"db.r6i.24xlarge":           true,
+			"db.r6i.16xlarge":           true,
+			"db.r6i.12xlarge":           true,
+			"db.r6i.8xlarge":            true,
+			"db.r6i.4xlarge":            true,
+			"db.r6i.2xlarge":            true,
+			"db.r6i.xlarge":             true,
+			"db.r6i.large":              true,
 			"db.x2g.16xlarge":           true,
 			"db.x2g.12xlarge":           true,
 			"db.x2g.8xlarge":            true,