increase default propagation seconds

make default propagation seconds in line with OVH rather than cf (at least while bunny is in beta)

certbot_dns_bunny/_internal/dns_bunny.py

@@ -33,7 +33,7 @@ def __init__(self, *args: Any, **kwargs: Any) -> None:
 
     @classmethod
     def add_parser_arguments(cls, add: Callable[..., None],
-                             default_propagation_seconds: int = 10) -> None:
+                             default_propagation_seconds: int = 120) -> None:
         super().add_parser_arguments(add, default_propagation_seconds)
         add('credentials', help='Bunny.net credentials INI file.')