chore: Avoid deprecated DefaultCredentialsProvider.create() (#2119)

Use `DefaultCredentialsProvider.builder().build()` as suggested by AWS SDK javadoc.

Author: dimas-b

service/common/src/main/java/org/apache/polaris/service/storage/StorageConfiguration.java

@@ -85,7 +85,7 @@ default AwsCredentialsProvider stsCredentials() {
       return StaticCredentialsProvider.create(
           AwsBasicCredentials.create(awsAccessKey().get(), awsSecretKey().get()));
     } else {
-      return DefaultCredentialsProvider.create();
+      return DefaultCredentialsProvider.builder().build();
     }
   }