Update opentelemetry-api/src/opentelemetry/util/_importlib_metadata.py

Author: alexmojaki

opentelemetry-api/src/opentelemetry/util/_importlib_metadata.py

@@ -14,6 +14,9 @@
 
 from functools import lru_cache
 
+# FIXME: Use importlib.metadata (not importlib_metadata)
+# when support for 3.11 is dropped if the rest of
+# the supported versions at that time have the same API.
 from importlib_metadata import (  # type: ignore
     Distribution,
     EntryPoint,