Update dependency scikit-learn to v1.7.2

Author: renovate[bot]

requirements.txt

@@ -20,7 +20,7 @@ plotly[kaleido]==6.2.0
 seaborn==0.13.2 # To visualize clustering results
 
 # --- Machine Learning / Optimization ---
-scikit-learn==1.6.1
+scikit-learn==1.7.2
 optuna==4.5.0
 umap-learn==0.5.8 # Dimensionality reduction to visualize node embeddings in 2D