Resolve #292434 "Set env to disable tzdata console"

What does this MR do?

• Adds the ARG DEBIAN_FRONTEND=noninteractive to the Dockerfile to fix stuck builds
• Apparently debian updated a lot, since apt installing python now installs python3.9 instead of 3.8.

What are the relevant issue numbers?

gitlab-org/gitlab#292434 (closed)

Does this MR meet the acceptance criteria?

• Changelog entry added
• Documentation created/updated for GitLab EE, if necessary
• Documentation created/updated for this project, if necessary
• Documentation reviewed by technical writer or follow-up review issue created
• Tests added for this feature/bug
• Job definition updated, if necessary
  • Job definition example
  • Vendored CI Templates (also in CE)
• Conforms to the code review guidelines
• Conforms to the Go guidelines
• Security reports checked/validated by reviewer

//cc @cam_swords @craigmsmith

Closes #292434