Remove homebrew services from workflow

[aranke]

Resolves #

Problem

Solution

Checklist

• I have read the contributing guide and understand what's expected of me.
• I have run this code in development, and it appears to resolve the stated issue.
• This PR includes tests, or tests are not required or relevant for this PR.
• This PR has no interface changes (e.g., macros, CLI, logs, JSON artifacts, config files, adapter interface, etc.) or this PR has already received feedback and approval from Product or DX.
• This PR includes type annotations for new and modified functions.

[github-actions]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.91%. Comparing base (5cd966c) to head (40595b1).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #11456      +/-   ##
==========================================
+ Coverage   88.85%   88.91%   +0.05%     
==========================================
  Files         194      194              
  Lines       24509    24509              
==========================================
+ Hits        21778    21792      +14     
+ Misses       2731     2717      -14     

Flag	Coverage Δ
integration	85.97% <ø> (+0.12%)	⬆️
unit	62.73% <ø> (ø)

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Components	Coverage Δ
Unit Tests	62.73% <ø> (ø)
Integration Tests	85.97% <ø> (+0.12%)	⬆️

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[emmyoop]

hm, not sure why we were doing this in the first place.

[aranke]

hm, not sure why we were doing this in the first place.

We were using brew services to start Postgres, but now do it directly so we no longer need brew services.

I forgot to remove this line here: #11432