Update .gitlab-ci.yml

1 job from master in 49 seconds (queued for 1 second)
Status Job ID Name Coverage
  Pre Deploy
failed #40346
docker-image-builder
build_docker_image

00:49

 
Name Stage Failure
failed
build_docker_image Pre Deploy There is an unknown failure, please try again
warning egg-mock > supertest > superagent > formidable@1.2.6: Please upgrade to latest, formidable@v2 or formidable@v3! Check these notes: https://bit.ly/2ZEqIau
warning eslint > file-entry-cache > flat-cache > circular-json@0.3.3: CircularJSON is in maintenance only, flatted is its successor.
warning eslint-config-egg > babel-eslint@8.2.6: babel-eslint is now @babel/eslint-parser. This package will no longer receive updates.
[3/5] Fetching packages...
error egg-cookies@2.6.1: The engine "node" is incompatible with this module. Expected version ">= 10.0.0". Got "8.12.0"
error Found incompatible module
info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.
The command '/bin/sh -c yarn install' returned a non-zero code: 1
ERROR: Job failed: exit status 1