ci: Check packages for updates and trigger pack release when new packages are available. Move services, image and variables to global.

chore(deps): update griefed/gitlab-ci-cd docker tag to v1.1.0

See merge request !7

# Conflicts:
#	Dockerfile

chore(deps): update docker docker tag to v20.10.12

See merge request !6

chore(deps): update docker docker tag to v20.10.11

See merge request !5

ci: Move to gitlab-ci-cd:1.0.4 which deprecates armv7 images. Staying up-to-date is more important than supporting old platforms. Sorry, you may need to consider getting a Raspberry Pi 4.

fix: Fix node version by updating to newer docker docker-image. Deprecates armv7 images.

See merge request !4

chore(deps): update griefed/gitlab-ci-cd docker tag to v1.0.3

See merge request !3

chore(deps): update griefed/gitlab-ci-cd docker tag to v1.0.1

See merge request !2