Typo in settings
As reported in https://governance.funkwhale.audio/d/ln1YtApy/space-missing-between-words we have a missig space and "how much minutes" must be replaced by "how many minutes" in the following files/lines:
- https://dev.funkwhale.audio/funkwhale/funkwhale/blob/develop/api/funkwhale_api/federation/dynamic_preferences_registry.py#L17
- https://dev.funkwhale.audio/funkwhale/funkwhale/blob/develop/api/funkwhale_api/federation/dynamic_preferences_registry.py#L52
- https://dev.funkwhale.audio/funkwhale/funkwhale/blob/develop/api/funkwhale_api/federation/dynamic_preferences_registry.py#L41
- https://dev.funkwhale.audio/funkwhale/funkwhale/blob/develop/api/funkwhale_api/federation/dynamic_preferences_registry.py#L18