Update .gitlab-ci.yml

1 job for master in 3 minutes and 16 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
failed #5923
docker
build

00:03:16

 
Name Stage Failure
failed
build Build
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2 |
3 | RUN echo 'Server = https://mirrors.aliyun.com/archlinux/$repo/os/$arch' > /etc/pacman.d/mirrorlist
4 | >>> RUN pacman -Syu --noconfirm babeld
5 | CMD ["babeld"]
6 |
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error: failed to solve: rpc error: code = Unknown desc = executor failed running [/bin/sh -c pacman -Syu --noconfirm babeld]: exit code: 1
ERROR: Job failed: exit status 1