Add child_map, parent_map, group_map to Manifest class

[gshank]

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 89.10%. Comparing base (a42303c) to head (77efbeb).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #11030      +/-   ##
==========================================
- Coverage   89.15%   89.10%   -0.05%     
==========================================
  Files         183      183              
  Lines       23764    23767       +3     
==========================================
- Hits        21186    21177       -9     
- Misses       2578     2590      +12     

Flag	Coverage Δ
integration	86.41% <100.00%> (-0.12%)	⬇️
unit	62.17% <100.00%> (+<0.01%)	⬆️

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Components	Coverage Δ
Unit Tests	62.17% <100.00%> (+<0.01%)	⬆️
Integration Tests	86.41% <100.00%> (-0.12%)	⬇️

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