Update dependency hapifhir/org.hl7.fhir.core to v6.9.9

[renovate]

This PR contains the following updates:

Package	Update	Change
hapifhir/org.hl7.fhir.core	patch	6.9.8 → 6.9.9

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Release Notes

hapifhir/org.hl7.fhir.core (hapifhir/org.hl7.fhir.core)

v6.9.9

Compare Source

Validator Changes

• no changes

Other code changes

• Enforce timeouts in funcReplaceMatches in r4, r4b, r5
• Implement toDateTime() in FHIRPath (Oliver Egger)
• Build improvements

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.12%. Comparing base (8420615) to head (b569925).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3670   +/-   ##
=======================================
  Coverage   96.12%   96.12%           
=======================================
  Files         417      417           
  Lines       25925    25925           
  Branches      643      641    -2     
=======================================
  Hits        24921    24921           
  Misses        478      478           
  Partials      526      526           

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