future::makeClusterPSOCK() has moved to parallelly::makeClusterPSOCK()

`future::makeClusterPSOCK()` is a re-export of `parallelly::makeClusterPSOCK()` since 2020. It will eventually be removed from the **future** package.  Please update your:

https://github.com/xuyiqing/fect/blob/9e287fa85d0408a5e5df1bf152e17fbc3c955584/R/default.R#L1922

to

```r
para.clusters <- parallelly::makeClusterPSOCK(cores) 
```
