Merge pull request kubernetes#70252 from nckturner/add-regions

Add regions ap-northeast-3 and eu-west-3 to AWS cloud provider

Author: k8s-ci-robot

pkg/cloudprovider/providers/aws/regions.go

@@ -29,13 +29,15 @@ var wellKnownRegions = [...]string{
 	// from `aws ec2 describe-regions --region us-east-1 --query Regions[].RegionName | sort`
 	"ap-northeast-1",
 	"ap-northeast-2",
+	"ap-northeast-3",
 	"ap-south-1",
 	"ap-southeast-1",
 	"ap-southeast-2",
 	"ca-central-1",
 	"eu-central-1",
 	"eu-west-1",
 	"eu-west-2",
+	"eu-west-3",
 	"sa-east-1",
 	"us-east-1",
 	"us-east-2",