Updated endpoints.json and partitions.json.

Author: AWS

.changes/next-release/feature-AWSSDKforJavav2-0443982.json

@@ -0,0 +1,6 @@
+{
+    "type": "feature",
+    "category": "AWS SDK for Java v2",
+    "contributor": "",
+    "description": "Updated endpoint and partition metadata."
+}

core/regions/src/main/resources/software/amazon/awssdk/regions/internal/region/endpoints.json

@@ -26547,6 +26547,15 @@
           "us-iso-east-1" : { }
         }
       },
+      "guardduty" : {
+        "defaults" : {
+          "protocols" : [ "https" ]
+        },
+        "endpoints" : {
+          "us-iso-east-1" : { }
+        },
+        "isRegionalized" : true
+      },
       "health" : {
         "endpoints" : {
           "us-iso-east-1" : { }