chore(regions_update): Changes in regions for AWS services (#6664)

prowler/providers/aws/aws_regions_by_service.json

@@ -1182,6 +1182,7 @@
           "il-central-1",
           "me-central-1",
           "me-south-1",
+          "mx-central-1",
           "sa-east-1",
           "us-east-1",
           "us-east-2",
@@ -5690,6 +5691,13 @@
         ]
       }
     },
+    "iotthingsgraph": {
+      "regions": {
+        "aws": [],
+        "aws-cn": [],
+        "aws-us-gov": []
+      }
+    },
     "iottwinmaker": {
       "regions": {
         "aws": [