Implement CRMI Artifact Diff Operation (R4)

[Chris0296]

Added $artifact-diff operation processors
Added the operation to the R4 CR config
Added documentation
Added Integration Tests

This migration process is tracked here: DBCG/aphl-vsm#558

[github-actions]

Formatting check succeeded!

[codecov]

Codecov Report

❌ Patch coverage is 5.35714% with 530 lines in your changes missing coverage. Please review.
✅ Project coverage is 71.96%. Comparing base (e761d4d) to head (223083f).

Files with missing lines	Patch %	Lines
...fhir/cr/hapi/common/HapiArtifactDiffProcessor.java	0.00%	502 Missing ⚠️
...r/hapi/r4/library/LibraryArtifactDiffProvider.java	0.00%	13 Missing ⚠️
...ncds/cqf/fhir/cr/common/ArtifactDiffProcessor.java	80.64%	5 Missing and 1 partial ⚠️
...cr/hapi/config/r4/ArtifactDiffOperationConfig.java	0.00%	5 Missing ⚠️
...cds/cqf/fhir/cr/hapi/config/CrProcessorConfig.java	0.00%	3 Missing ⚠️
.../opencds/cqf/fhir/cr/library/LibraryProcessor.java	83.33%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #802      +/-   ##
============================================
- Coverage     73.38%   71.96%   -1.43%     
  Complexity      268      268              
============================================
  Files           564      568       +4     
  Lines         26185    26744     +559     
  Branches       3290     3367      +77     
============================================
+ Hits          19217    19246      +29     
- Misses         5365     5893     +528     
- Partials       1603     1605       +2     

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[sonarqubecloud]

Quality Gate passed

Issues
10 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud