Merge branch 'devel'

config: enforce maxForks to prevent single users filling the queue fo…

…r months

shiny: bump dependencies

msa: add simple heuristic to decrease memory allocations

fix recently introduced bug ..

w..here for multi sequence fasta ffiles, only the first sequence was used for alphafold predictions

update .gitlab-ci.yml

update config

make use of additional singularity config options: registry and oci pull