Add debug install step to buildmgr workflow

[soumeh01]

Added a debug installation step to list files in the cbuild directory.

Fixes

Changes

Checklist

• 🤖 This change is covered by unit tests (if applicable).
• 🤹 Manual testing has been performed (if necessary).
• 🛡️ Security impacts have been considered (if relevant).
• 📖 Documentation updates are complete (if required).
• 🧠 Third-party dependencies and TPIP updated (if required).

[github-actions]

Test Results

  7 files   53 suites   5m 21s ⏱️
185 tests 168 ✅ 17 💤 0 ❌
692 runs  624 ✅ 68 💤 0 ❌

Results for commit e36b9a6.

♻️ This comment has been updated with latest results.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 65.29%. Comparing base (5c2482f) to head (e36b9a6).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2509   +/-   ##
=======================================
  Coverage   65.29%   65.29%           
=======================================
  Files         147      147           
  Lines       26702    26702           
  Branches    16184    16184           
=======================================
  Hits        17434    17434           
  Misses       7073     7073           
  Partials     2195     2195           

Flag	Coverage Δ
buildmgr-cov	79.87% <ø> (ø)

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[soumeh01]

Redundant, as this was introduced to debug