[Java Client] Use info, not warn, log level when successfully registering schema (#12819)

(cherry picked from commit e993f32cfe84a16079805eb0fb9cf75881df2829)
diff --git a/pulsar-client/src/main/java/org/apache/pulsar/client/impl/ProducerImpl.java b/pulsar-client/src/main/java/org/apache/pulsar/client/impl/ProducerImpl.java
index 34e4b6c..7ee00e7 100644
--- a/pulsar-client/src/main/java/org/apache/pulsar/client/impl/ProducerImpl.java
+++ b/pulsar-client/src/main/java/org/apache/pulsar/client/impl/ProducerImpl.java
@@ -630,7 +630,7 @@
                     callback.sendComplete((PulsarClientException.IncompatibleSchemaException) t);
                 }
             } else {
-                log.warn("[{}] [{}] GetOrCreateSchema succeed", topic, producerName);
+                log.info("[{}] [{}] GetOrCreateSchema succeed", topic, producerName);
                 SchemaHash schemaHash = SchemaHash.of(msg.getSchemaInternal());
                 schemaCache.putIfAbsent(schemaHash, v);
                 msg.getMessageBuilder().setSchemaVersion(v);