chore: hardcode docker:dind version so that upgrades are smooth

Description

Updates the version tag for docker:dind so that builds are more stable and not affected by upstream changes.

Supporting information

• https://github.com/docker/buildx/issues/1325

Testing instructions

Check the below pipelines

• Pipeline before change: https://gitlab.com/opencraft/devstacks/keith/grove-do/-/jobs/3721166016
• Pipeline after change: https://gitlab.com/opencraft/devstacks/keith/grove-do/-/jobs/3721215541

Checklist

If any of the items below is not applicable, do not remove them, but put a check in it.

• All providers include the new feature/change
• All affected providers can provision new clusters
• Unit tests are added/updated
• Documentation is added/updated
• The TOOLS_CONTAINER_IMAGE_VERSION in ci_vars.yml is updated
• The grove-template repository is updated

Additional context

Add any other context about the merge request here.