FIX: use of pandas set_index

Since version 2.0 they changed the interface of `df.set_index`.
pandas-dev/pandas#41495

Author: ivanovmg

scripts/07-merge.py

@@ -12,4 +12,4 @@
     os.chdir(target_folder)
 
 df_patterns = pd.read_csv('./target/04/04-find-patterns.csv', sep=';')
-df_patterns.set_index('filepath', 'class_name', 'component_index').to_csv('./target/dataset.csv')
+df_patterns.set_index(['filepath', 'class_name', 'component_index']).to_csv('./target/dataset.csv')