CAMEL-18915: Upgrade FHIR from 4.2.0 to 6.2.4

[johnpoth]

Description

https://issues.apache.org/jira/browse/CAMEL-18915

Thanks !

Target

• I checked that the commit is targeting the correct branch (note that Camel 3 uses camel-3.x, whereas Camel 4 uses the main branch)

Tracking

• If this is a large change, bug fix, or code improvement, I checked there is a JIRA issue filed for the change (usually before you start working on it).

Apache Camel coding standards and style

• I checked that each commit in the pull request has a meaningful subject line and body.

• I formatted the code using mvn -Pformat,fastinstall install && mvn -Psourcecheck

[github-actions]

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⚠️ Please note that the changes on this PR may be tested automatically.

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[github-actions]

Components tested:

Total	Tested	Failed ❌	Passed ✅
1	1	0	1