Cloudwatch: Add missing AWS regions (#113010)

Add missing cw regions

pkg/tsdb/cloudwatch/constants/metrics.go

@@ -17,6 +17,7 @@ func Regions() RegionsSet {
 		"ap-southeast-3": {},
 		"ap-southeast-4": {},
 		"ap-southeast-5": {},
+		"ap-southeast-6": {},
 		"ap-southeast-7": {},
 		"ca-central-1":   {},
 		"ca-west-1":      {},
@@ -24,6 +25,7 @@ func Regions() RegionsSet {
 		"cn-northwest-1": {},
 		"eu-central-1":   {},
 		"eu-central-2":   {},
+		"eu-isoe-west-1": {},
 		"eu-north-1":     {},
 		"eu-south-1":     {},
 		"eu-south-2":     {},
@@ -40,7 +42,11 @@ func Regions() RegionsSet {
 		"us-gov-east-1":  {},
 		"us-gov-west-1":  {},
 		"us-iso-east-1":  {},
+		"us-iso-west-1":  {},
 		"us-isob-east-1": {},
+		"us-isob-west-1": {},
+		"us-isof-east-1": {},
+		"us-northeast-1": {},
 		"us-west-1":      {},
 		"us-west-2":      {},
 	}