Title-Based Inventory Report (PP-1888)

[tdilauro]

Description

• Adds a title-level inventory report.
• Introduces a new endpoint to support multiple reports, via a report key.
• Introduces a ReportTable class for defining tables.

NB: This PR probably needs more tests and to be broken up; but, I wanted to get something up for this one.

Motivation and Context

[Jira PP-1888]

How Has This Been Tested?

• New tests.
• All tests pass locally.
• CI tests passed.

Checklist

• N/A - I have updated the documentation accordingly.
• All new and existing tests passed.

[codecov]

Codecov Report

❌ Patch coverage is 90.23569% with 29 lines in your changes missing coverage. Please review.
✅ Project coverage is 92.22%. Comparing base (e8b7318) to head (2e6ac49).
⚠️ Report is 44 commits behind head on main.

Files with missing lines	Patch %	Lines
...ce/manager/reporting/reports/library_collection.py	83.70%	21 Missing and 1 partial ⚠️
src/palace/manager/reporting/model.py	89.28%	1 Missing and 2 partials ⚠️
src/palace/manager/celery/tasks/reports.py	87.50%	1 Missing and 1 partial ⚠️
src/palace/manager/reporting/util.py	93.10%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2721      +/-   ##
==========================================
- Coverage   92.23%   92.22%   -0.02%     
==========================================
  Files         442      447       +5     
  Lines       42096    42391     +295     
  Branches     8899     8948      +49     
==========================================
+ Hits        38829    39095     +266     
- Misses       2129     2153      +24     
- Partials     1138     1143       +5     

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[tdilauro]

Closing this one, which is superseded by #2763.