Gateway dependencies upgrade

[ndegwamartin]

IMPORTANT: Where possible all PRs must be linked to a Github issue

Resolves #88

Engineer Checklist

• [x] I have written Unit tests for any new feature(s) and edge cases for bug fixes
• [x] I have added documentation for any new feature(s) and configuration option(s) on the README.md
• [x] I have run mvn spotless:check to check my code follows the project's style guide
• [x] I have run mvn clean test jacoco:report to confirm the coverage report was generated at plugins/target/site/jacoco/index.html
• [x] I ran mvn clean package right before creating this pull request.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 71.42857% with 2 lines in your changes missing coverage. Please review.

Project coverage is 60.96%. Comparing base (d7326b0) to head (dd8a89d). Report is 8 commits behind head on main.

Files with missing lines	Patch %	Lines
...er/fhir/gateway/plugins/endpoint/BaseEndpoint.java	66.66%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #89 +/- ## ============================================ + Coverage 60.76% 60.96% +0.20% + Complexity 195 194 -1 ============================================ Files 16 16 Lines 1394 1391 -3 Branches 157 157 ============================================ + Hits 847 848 +1 + Misses 467 463 -4 Partials 80 80 ```

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