consume workload identity from core api

[melugoyal]

Description

removes the hardcoded CLI logic for this and consumes the correct value from core API.

🎟 Issue(s)

Related #XXX

🧪 Functional Testing

tested locally using ./astro deployment inspect

📸 Screenshots

📋 Checklist

• Rebased from the main (or release if patching) branch (before testing)
• Ran make test before taking out of draft
• Ran make lint before taking out of draft
• Added/updated applicable tests
• Tested against Astro-API (if necessary).
• Tested against Houston-API and Astronomer (if necessary).
• Communicated to/tagged owners of respective clients potentially impacted by these changes.
• Updated any related documentation

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.02% 🎉

Comparison is base (eacb540) 87.19% compared to head (f50a9e7) 87.22%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1333      +/-   ##
==========================================
+ Coverage   87.19%   87.22%   +0.02%     
==========================================
  Files         114      114              
  Lines       13402    13390      -12     
==========================================
- Hits        11686    11679       -7     
+ Misses       1026     1023       -3     
+ Partials      690      688       -2     

Files Changed	Coverage Δ
cloud/deployment/inspect/inspect.go	88.50% <100.00%> (+1.70%)	⬆️

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