[9.1](backport #5446) fix: fleet-server-package-mbp CI step dependencies

[mergify]

What is the problem this PR solves?

// Please do not just reference an issue. Explain WHAT the problem this PR solves here.

It solves the recent failures of the Downstream - Package introduced by this PR #5392

How does this PR solve the problem?

// Explain HOW you solved the problem in your code. It is possible that during PR reviews this changes and then this section should be updated.

It updates the step dependencies of Downstream - Package to existing CI steps

How to test this PR locally

This is a CI only change

Design Checklist

• I have ensured my design is stateless and will work when multiple fleet-server instances are behind a load balancer.
• I have or intend to scale test my changes, ensuring it will work reliably with 100K+ agents connected.
• I have included fail safe mechanisms to limit the load on fleet-server: rate limiting, circuit breakers, caching, load shedding, etc.

Checklist

• 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

Related issues

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This is an automatic backport of pull request #5446 done by [Mergify](https://mergify.com).

[prodsecmachine]

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[elastic-sonarqube]

Quality Gate passed

Issues
0 New issues
0 Fixed issues
0 Accepted issues

Measures
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