style: format code with black and isort

Format code with black and isort

This commit fixes the style issues introduced in cdbd7dd according to the output
from Black and isort.

Details: https://app.deepsource.com/gh/slashtechno/cloudflare-gateway-adblocking/transform/f9f81019-cc0f-4300-8f90-5884a2afa39a/

zerotrust_adblock/adblock_zerotrust.py

@@ -1,7 +1,8 @@
 import os
+import pathlib
+
 import requests
 import utils
-import pathlib
 
 # Load environment variables
 TOKEN = utils.load_env()["CLOUDFLARE_TOKEN"]

zerotrust_adblock/utils.py

@@ -1,5 +1,6 @@
-import pathlib
 import os
+import pathlib
+
 import requests
 from dotenv import load_dotenv