Updated endpoints.json, partitions.json, and example_meta.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

@@ -20406,6 +20406,7 @@
               "tags" : [ "fips" ]
             } ]
           },
+          "sa-east-1" : { },
           "us-east-1" : {
             "variants" : [ {
               "hostname" : "rekognition-fips.us-east-1.amazonaws.com",