Add workflow to manually test the updatecli bumps

[fr4nc1sc0-r4m0n]

What does this PR do?

Add workflow to manually test the updatecli bumps on the vm images

Why is it important?

To have a mechanism to test the future updatecli bumps because the current workflows always run over the active branches.

Helps to test these kind of PRs:

• updatecli: no submodules and remove 7.17 filter if using filter-branches #12168

Checklist

• I have read and understood the pull request guidelines of this project.
• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have made corresponding change to the default configuration files
• I have added tests that prove my fix is effective or that my feature works
• I have added an entry in ./changelog/fragments using the changelog tool
• I have added an integration test or an E2E test

Disruptive User Impact

How to test this PR locally

Related issues

Questions to ask yourself

• How are we going to support this in production?
• How are we going to measure its adoption?
• How are we going to debug this?
• What are the metrics I should take care of?
• ...

[mergify]

This pull request does not have a backport label. Could you fix it @fr4nc1sc0-r4m0n? 🙏
To fixup this pull request, you need to add the backport labels for the needed
branches, such as:

• backport-./d./d is the label that automatically backports to the 8./d branch. /d is the digit
• backport-active-all is the label that automatically backports to all active branches.
• backport-active-8 is the label that automatically backports to all active minor branches for the 8 major.
• backport-active-9 is the label that automatically backports to all active minor branches for the 9 major.

[v1v]

If no push, what's the reason we use write here?

[fr4nc1sc0-r4m0n]

Absolutely. Even contents: write, right?
See 33a5acf

[elasticmachine]

Pinging @elastic/elastic-agent-control-plane (Team:Elastic-Agent-Control-Plane)