Add missing opt in regions (thailand/mexico/malaysia/taipei) (#250)

* Add missing opt in regions (thailand/mexico)

* Add ap-southeast-5

* Add ap-east-2

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Co-authored-by: Nathan Vērzemnieks <[email protected]>

Author: chriscerie

pkg/awsds/sessions.go

@@ -106,16 +106,20 @@ func isOptInRegion(region string) bool {
 	regions := map[string]bool{
 		"af-south-1":     true,
 		"ap-east-1":      true,
+		"ap-east-2":      true,
 		"ap-south-2":     true,
 		"ap-southeast-3": true,
 		"ap-southeast-4": true,
+		"ap-southeast-5": true,
+		"ap-southeast-7": true,
 		"ca-west-1":      true,
 		"eu-central-2":   true,
 		"eu-south-1":     true,
 		"eu-south-2":     true,
 		"il-central-1":   true,
 		"me-central-1":   true,
 		"me-south-1":     true,
+		"mx-central-1":   true,
 		// The rest of regions will return false
 	}
 	return regions[region]