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

@@ -482,6 +482,9 @@
       "aoss" : {
         "endpoints" : {
           "ap-northeast-1" : { },
+          "ap-southeast-1" : { },
+          "ap-southeast-2" : { },
+          "eu-central-1" : { },
           "eu-west-1" : { },
           "us-east-1" : { },
           "us-east-2" : { },
@@ -18087,6 +18090,7 @@
           } ]
         },
         "endpoints" : {
+          "us-gov-east-1" : { },
           "us-gov-west-1" : {
             "variants" : [ {
               "hostname" : "api-fips.sagemaker.us-gov-west-1.amazonaws.com",