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

@@ -11913,9 +11913,21 @@
       },
       "iotfleetwise" : {
         "endpoints" : {
-          "ap-south-1" : { },
-          "eu-central-1" : { },
-          "us-east-1" : { }
+          "ap-south-1" : {
+            "variants" : [ {
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "eu-central-1" : {
+            "variants" : [ {
+              "tags" : [ "dualstack" ]
+            } ]
+          },
+          "us-east-1" : {
+            "variants" : [ {
+              "tags" : [ "dualstack" ]
+            } ]
+          }
         }
       },
       "iotsecuredtunneling" : {