ref(docker): publish less tags in Docker Hub

[gustavovalverde]

Motivation

Fixes #7891

What are the most important goals of the ticket or PR?

• Making our image tags less confusing.
• Make our Docker Hub easier to navigate.

PR Author Checklist

Check before marking the PR as ready for review:

• Will the PR name make sense to users?
• Does the PR have a priority label?
• Have you added or updated tests?
• Is the documentation up to date?

For significant changes:

• Is there a summary in the CHANGELOG?
• Can these changes be split into multiple PRs?

If a checkbox isn't relevant to the PR, mark it as done.

Solution

• Change .experimental with -experimental
• Just add the SHA on github pushes (to main or branches)
• Remove extra versions tags using extra major and major.minor

Testing

Sadly, there's no way to test this until we make the release :/

Reviewer Checklist

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• Does the PR scope match the ticket?
• Are there enough tests to make sure it works? Do the tests cover the PR motivation?
• Are all the PR blockers dealt with?
  PR blockers can be dealt with in new tickets or PRs.

And check the PR Author checklist is complete.