Update .gitlab-ci.yml

1 job for master in 17 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
failed #191
build-master

00:00:17

 
Name Stage Failure
failed
build-master Build
  libressl-dev-2.6.5-r0:
conflicts:
openssl-dev-1.0.2o-r1[pc:libcrypto=2.6.5]
openssl-dev-1.0.2o-r1[pc:libssl=2.6.5]
openssl-dev-1.0.2o-r1[pc:openssl=2.6.5]
satisfies:
postgresql-dev-10.4-r0[libressl-dev]
The command '/bin/sh -c apk upgrade --update && apk --no-cache add git autoconf tzdata openntpd libcurl curl-dev coreutils libmcrypt-dev freetype-dev libxpm-dev libjpeg-turbo-dev libvpx-dev libpng-dev openssl-dev libxml2-dev postgresql-dev icu-dev' returned a non-zero code: 3
ERROR: Job failed: error executing remote command: command terminated with non-zero exit code: Error executing in Docker Container: 3