aws: add ap-southeast-6 region (#5812)

Author: rhysmdnz

provider/aws/aws.go

@@ -96,6 +96,7 @@ var canonicalHostedZones = map[string]string{
 	"ap-southeast-3.elb.amazonaws.com":    "Z08888821HLRG5A9ZRTER",
 	"ap-southeast-4.elb.amazonaws.com":    "Z09517862IB2WZLPXG76F",
 	"ap-southeast-5.elb.amazonaws.com":    "Z06010284QMVVW7WO5J",
+	"ap-southeast-6.elb.amazonaws.com":    "Z023301818UFJ50CIO0MV",
 	"ap-southeast-7.elb.amazonaws.com":    "Z0390008CMBRTHFGWBCB",
 	"ap-northeast-1.elb.amazonaws.com":    "Z14GRHDCWA56QT",
 	"eu-central-1.elb.amazonaws.com":      "Z215JYRZR1TBD5",
@@ -134,6 +135,7 @@ var canonicalHostedZones = map[string]string{
 	"elb.ap-southeast-3.amazonaws.com":    "Z01971771FYVNCOVWJU1G",
 	"elb.ap-southeast-4.amazonaws.com":    "Z01156963G8MIIL7X90IV",
 	"elb.ap-southeast-5.amazonaws.com":    "Z026317210H9ACVTRO6FB",
+	"elb.ap-southeast-6.amazonaws.com":    "Z01392953RKV2Q3RBP0KU",
 	"elb.ap-southeast-7.amazonaws.com":    "Z054363131YWATEMWRG5L",
 	"elb.ap-northeast-1.amazonaws.com":    "Z31USIVHYNEOWT",
 	"elb.eu-central-1.amazonaws.com":      "Z3F0SRJ5LGBH90",