Update proxy extension for Manifest V3 compatibility

Author: mdmintz

seleniumbase/core/proxy_helper.py

@@ -94,21 +94,23 @@ def create_proxy_ext(
     manifest_json = (
         """{\n"""
         """"version": "1.0.0",\n"""
-        """"manifest_version": 2,\n"""
+        """"manifest_version": 3,\n"""
         """"name": "Chrome Proxy",\n"""
         """"permissions": [\n"""
         """    "proxy",\n"""
         """    "tabs",\n"""
         """    "unlimitedStorage",\n"""
         """    "storage",\n"""
-        """    "<all_urls>",\n"""
         """    "webRequest",\n"""
-        """    "webRequestBlocking"\n"""
+        """    "webRequestAuthProvider"\n"""
+        """],\n"""
+        """"host_permissions": [\n"""
+        """    "<all_urls>"\n"""
         """],\n"""
         """"background": {\n"""
-        """    "scripts": ["background.js"]\n"""
+        """    "service_worker": "background.js"\n"""
         """},\n"""
-        """"minimum_chrome_version":"22.0.0"\n"""
+        """"minimum_chrome_version":"88.0.0"\n"""
         """}"""
     )
     abs_path = os.path.abspath(".")