Use concurrency whenever possible in workflows

[teolemon]

Problem

• Use concurrency whenever possible in workflows

  concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

https://docs.github.com/en/enterprise-cloud@latest/actions/using-jobs/using-concurrency

First try

• 8734

Part of

• 5512

[github-actions[bot]]

This issue has been open 90 days with no activity. Can you give it a little love by linking it to a parent issue, adding relevant labels and projets, creating a mockup if applicable, adding code pointers from https://github.com/openfoodfacts/openfoodfacts-server/blob/main/.github/labeler.yml, giving it a priority, editing the original issue to have a more comprehensive description… Thank you very much for your contribution to 🍊 Open Food Facts