sratoolkit: fix checksum for resource ncbi-vdb (#4767)
sratoolkit: fix checksum for resource ncbi-vdb (#4767)

Confirmed as a retag by maintainers in ncbi/ncbi-vdb#13.

Fixes #4768.
maplesond/homebrew-science,heuermh/homebrew-science,dpo/homebrew-science,philippbayer/homebrew-science,quantumsteve/homebrew-science,andrewjpage/homebrew-science,pditommaso/homebrew-science