fix: update to using storage plugin ftp (#76)

* fix: update to using storage plugin ftp

* fix: require a recent snakemake above version 8.0

* chore: remove unnecessary FTP import

Author: dlaehnemann

workflow/Snakefile

@@ -1,7 +1,7 @@
 from snakemake.utils import min_version
 
 ##### set minimum snakemake version #####
-min_version("6.4.1")
+min_version("8.8.0")
 
 
 ##### setup report #####

workflow/rules/common.smk

@@ -1,11 +1,8 @@
 import glob
 
 import pandas as pd
-from snakemake.remote import FTP
 from snakemake.utils import validate
 
-ftp = FTP.RemoteProvider()
-
 validate(config, schema="../schemas/config.schema.yaml")
 
 samples = (