[projmgr] Update pack identifier schema description

[grasci-arm]

No description provided.

[github-actions]

Test Results

    3 files     21 suites   13m 47s ⏱️
  431 tests   431 ✅ 0 💤 0 ❌
1 293 runs  1 293 ✅ 0 💤 0 ❌

Results for commit b9129a5.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 66.24%. Comparing base (11160f2) to head (b9129a5).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2295   +/-   ##
=======================================
  Coverage   66.24%   66.24%           
=======================================
  Files         181      181           
  Lines       36346    36346           
  Branches    22544    22544           
=======================================
  Hits        24077    24077           
  Misses       7678     7678           
  Partials     4591     4591           

Flag	Coverage Δ
projmgr-cov	80.29% <ø> (ø)

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