Update dependency treelite to v4.6.1 (#2774)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

requirements-test.txt

@@ -16,7 +16,7 @@ lightgbm==4.6.0
 catboost==1.2.8
 shap==0.49.1 ; python_version < '3.11'
 shap==0.50.0 ; python_version >= '3.11'
-treelite==4.6.0
+treelite==4.6.1
 array-api-compat==1.11.2 ; python_version < '3.10'
 array-api-compat==1.12.0 ; python_version >= '3.10'
 array-api-strict==2.3.1 ; python_version < '3.12'