Incorrect default slab_alloc_factor value

> <…> sizes. Allowed values range from 1 to 2.
> 
> Type: float
> Default: **|1.1|**
> Environment variable: TT_SLAB_ALLOC_FACTOR
> Dynamic: no
> 
> 
> 
> 
> 
> vin<…>

https://www.tarantool.io/en/doc/latest/reference/configuration/#cfg-storage-memtx-memory


In the source code default value is 1.05