Add pattern dualstack global by default (#4277)

Author: trivikr

.changes/next-release/feature-Endpoint-cbd3413f.json

@@ -0,0 +1,5 @@
+{
+  "type": "feature",
+  "category": "Endpoint",
+  "description": "Add pattern global dualstack by default"
+}

lib/region_config_data.json

@@ -231,6 +231,12 @@
     },
     "fipsDualstackByDefault": {
       "endpoint": "{service}-fips.{region}.api.aws"
+    },
+    "globalDualstackByDefault": {
+      "endpoint": "{service}.global.api.aws"
+    },
+    "fipsGlobalDualstackByDefault": {
+      "endpoint": "{service}-fips.global.api.aws"
     }
   }
 }