Configure multilspy log_level using serena config [ci skip]

src/multilspy/multilspy_logger.py

@@ -25,9 +25,9 @@ class MultilspyLogger:
     Logger class
     """
 
-    def __init__(self, json_format: bool = False) -> None:
+    def __init__(self, json_format: bool = False, log_level: int = logging.INFO) -> None:
         self.logger = logging.getLogger("multilspy")
-        self.logger.setLevel(logging.INFO)
+        self.logger.setLevel(log_level)
         self.json_format = json_format
 
     def log(self, debug_message: str, level: int, sanitized_error_message: str = "") -> None:

src/serena/agent.py

@@ -804,7 +804,7 @@ class SerenaAgent:
         multilspy_config = MultilspyConfig(
             code_language=self._active_project.project_config.language, ignored_paths=self._active_project.project_config.ignored_paths
         )
-        ls_logger = MultilspyLogger()
+        ls_logger = MultilspyLogger(log_level=self.serena_config.log_level)
         self.language_server = SyncLanguageServer.create(
             multilspy_config,
             ls_logger,