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

@@ -628,7 +628,12 @@
       },
       "agreement-marketplace" : {
         "endpoints" : {
-          "us-east-1" : { }
+          "us-east-1" : {
+            "variants" : [ {
+              "hostname" : "agreement-marketplace.us-east-1.api.aws",
+              "tags" : [ "dualstack" ]
+            } ]
+          }
         }
       },
       "airflow" : {