fix(test): correct logger patch target for detect_fusion_bias test

The function still lives in eagle/utils.py, so the logger patch must
target speculators.convert.eagle.utils.logger, not convert.utils.logger.

Signed-off-by: Rahul-Tuli <rtuli@redhat.com>

Author: rahul-tuli

tests/unit/convert/test_eagle_utils.py

@@ -298,7 +298,7 @@ def test_empty_weights(self):
         assert not has_bias
         assert not has_layernorms
 
-    @patch("speculators.convert.utils.logger")
+    @patch("speculators.convert.eagle.utils.logger")
     def test_logging_messages(self, mock_logger):
         """Test that appropriate log messages are generated."""
         weights = {