File update.sh of Package mingw-w64-zstd

# see https://gist.github.com/getchoo/7a4dbda9a52c856c082e270bc9bda6db
name='mingw-w64-zstd'
link='https://api.github.com/repos/facebook/zstd/releases/latest'
jq_exp='.tag_name'
regex='v/'