Update opentelemetry-instrumentation/src/opentelemetry/instrumentation/_labeler/_internal/__init__.py

Co-authored-by: Lukas Hering <40302054+herin049@users.noreply.github.com>

Author: tammy-baylis-swi

opentelemetry-instrumentation/src/opentelemetry/instrumentation/_labeler/_internal/__init__.py

@@ -46,7 +46,7 @@ def __init__(
                 String values exceeding this length will be truncated.
         """
         self._lock = threading.Lock()
-        self._attributes: Dict[str, Union[str, int, float, bool]] = {}
+        self._attributes: dict[str, Union[str, int, float, bool]] = {}
         self._max_custom_attrs = max_custom_attrs
         self._max_attr_value_length = max_attr_value_length