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

@@ -18780,6 +18780,7 @@
               "tags" : [ "dualstack" ]
             } ]
           },
+          "eu-central-2" : { },
           "eu-north-1" : {
             "variants" : [ {
               "hostname" : "polly.eu-north-1.api.aws",