bin/git-fetch-parallel: add '--prune --auto-gc --verbose' flags
bin/git-fetch-parallel: add '--prune --auto-gc --verbose' flags

Signed-off-by: Koichi Shiraishi <2e5bdfebde234ed3509bcfc18121c70b6631e207@gmail.com>

zchee/dotfiles,zchee/dotfiles,zchee/dotfiles