[Fix] Fix transform schemas - inner schema describes result

[Fix] Fix transform schemas - inner schema describes result

- Transform inner schema now describes the result type, not input
- Fixed lua_maps.lua: timeout transform
- Fixed lua_redis.lua: timeout, sentinel_watch_time, sentinel_master_maxerrors, redis_version
- Fixed rbl.lua: key transforms, return_bits number transforms
- Transform functions now handle type checking before conversion