feat: add Docker support and update Python version to 3.11

generators/services_excel_generator/core.py

@@ -1,10 +1,10 @@
 import time
 from collections import defaultdict
+from io import BytesIO
 from pathlib import Path
 
 import openpyxl
 import openpyxl.styles
-from six import BytesIO
 from sqlalchemy import select
 from sqlalchemy.orm import joinedload