Update dependency shap to v0.49.1

Author: renovate[bot]

requirements.txt

@@ -30,4 +30,4 @@ neo4j==5.28.2
 # --- Native/scientific packages (may require compilation) ---
 # These are included but may cause install errors in pip/venv
 opentsne==1.0.2       # Dimensionality reduction to visualize node embeddings in 2D. Might get replaced by umap.
-shap==0.48.0          # For e.g. explaining anomaly detection results
+shap==0.49.1          # For e.g. explaining anomaly detection results