fix env var logic (#1331)

Author: teodor-yanev

src/codegate/updates/client.py

@@ -9,8 +9,7 @@
 
 __update_client_singleton = None
 
-is_dev_env = bool(os.environ.get("CODEGATE_DEV_ENV"))
-
+is_dev_env = os.environ.get("CODEGATE_DEV_ENV", "false").lower() == "true"
 
 # Enum representing whether the request is coming from the front-end or the back-end.
 class Origin(Enum):