Update dependency scikit-learn to ==1.7.*

Author: renovate[bot]

requirements.txt

@@ -20,7 +20,7 @@ plotly[kaleido]==6.2.*
 seaborn==0.13.* # To visualize clustering results
 
 # --- Machine Learning / Optimization ---
-scikit-learn==1.6.*
+scikit-learn==1.7.*
 optuna==4.5.*
 umap-learn==0.5.* # Dimensionality reduction to visualize node embeddings in 2D