Update python-machine-learning-libs

Author: renovate[bot]

requirements.txt

@@ -21,13 +21,13 @@ seaborn==0.13.2 # To visualize clustering results
 
 # --- Machine Learning / Optimization ---
 scikit-learn==1.7.2
-optuna==4.5.0
+optuna==4.6.0
 umap-learn==0.5.9.post2 # Dimensionality reduction to visualize node embeddings in 2D
 
 # --- Database connector ---
 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
+opentsne==1.0.4       # Dimensionality reduction to visualize node embeddings in 2D. Might get replaced by umap.
+shap==0.49.1          # For e.g. explaining anomaly detection results