🚧 fix deprecated module 'cgi' (#73)

* 🚧 reproducing deprecation error

* changed basepython

* Update tox.ini

* Update tox.ini

* 🔄replaced 'cgi' module by 'email' cf. PEP 594

https://peps.python.org/pep-0594/#cgi

---------

Co-authored-by: konstantin <konstantin.klein@hochfrequenz.de>

requirements.txt

@@ -1,5 +1,5 @@
 #
-# This file is autogenerated by pip-compile with Python 3.11
+# This file is autogenerated by pip-compile with Python 3.10
 # by the following command:
 #
 #    pip-compile requirements.in

src/edi_energy_scraper/__init__.py

@@ -2,7 +2,6 @@
 A module to scrape data from edi-energy.de.
 """
 import asyncio
-import cgi  # pylint:disable=deprecated-module
 
 # https://github.com/Hochfrequenz/edi_energy_scraper/issues/28
 import datetime
@@ -11,6 +10,7 @@
 import logging
 import os
 import re
+from email.message import Message
 from enum import Enum
 from pathlib import Path
 from random import randint
@@ -158,9 +158,11 @@ def _get_file_path(self, epoch: Epoch, file_name: str) -> Path:
     def _add_file_extension_to_file_basename(headers: dict, file_basename: str) -> str:
         """Extracts the extension of a file from a response header and add it to the file basename."""
         content_disposition = headers["Content-Disposition"]
-        _, params = cgi.parse_header(content_disposition)
-        file_extension = Path(params["filename"]).suffix
+        params = Message()
+        params["content-type"] = content_disposition
+        file_extension = Path(str(params.get_param("filename"))).suffix
         file_name = file_basename + file_extension
+
         return file_name
 
     @staticmethod