Add new EvaluationSettings for client timezone. Default to UTC if this is not set.

[lukedegruchy]

• Add new EvaluationSettings for client timezone. Default to UTC if this is not set.
• Ensure all Interval and Period calculation uses this timezone.
• Ensure InMemoryFhirRepository doesn't throw when calling transaction()

Closes #528

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[codecov]

Codecov Report

Attention: Patch coverage is 73.07692% with 7 lines in your changes missing coverage. Please review.

Project coverage is 67.10%. Comparing base (f0439b3) to head (f14ce7e).

Files with missing lines	Patch %	Lines
...a/org/opencds/cqf/fhir/cql/EvaluationSettings.java	40.00%	3 Missing ⚠️
.../cqf/fhir/cr/measure/MeasureEvaluationOptions.java	33.33%	2 Missing ⚠️
...cds/cqf/fhir/cr/measure/helper/IntervalHelper.java	75.00%	1 Missing ⚠️
...hir/utility/repository/InMemoryFhirRepository.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master     #529      +/-   ##
============================================
- Coverage     67.10%   67.10%   -0.01%     
- Complexity     4103     4106       +3     
============================================
  Files           353      354       +1     
  Lines         18063    18067       +4     
  Branches       2792     2793       +1     
============================================
+ Hits          12121    12123       +2     
- Misses         4735     4739       +4     
+ Partials       1207     1205       -2     

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