Change logging level from info to debug

Updated OllamaAPI to use LOG.debug instead of LOG.info for model pull status messages. Also changed the root logging level in logback.xml from info to debug to allow debug messages to be displayed during tests.

src/main/java/io/github/ollama4j/OllamaAPI.java

@@ -338,7 +338,7 @@ public class OllamaAPI {
         }
         String status = modelPullResponse.getStatus();
         if (status != null) {
-            LOG.info("{}: {}", modelName, status);
+            LOG.debug("{}: {}", modelName, status);
             if ("success".equalsIgnoreCase(status)) {
                 return true;
             }

src/test/resources/logback.xml

@@ -6,7 +6,7 @@
         </encoder>
     </appender>
 
-    <root level="info">
+    <root level="debug">
         <appender-ref ref="STDOUT"/>
     </root>