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

@@ -12610,6 +12610,7 @@
           "ap-southeast-3" : { },
           "ap-southeast-4" : { },
           "ap-southeast-5" : { },
+          "ap-southeast-7" : { },
           "ca-central-1" : { },
           "ca-west-1" : { },
           "eu-central-1" : { },
@@ -38387,6 +38388,11 @@
           }
         }
       },
+      "securityhub" : {
+        "endpoints" : {
+          "us-isob-east-1" : { }
+        }
+      },
       "servicediscovery" : {
         "endpoints" : {
           "us-isob-east-1" : { }