chore: update to spring boot 3.2.4 (#28)

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<!-- Provide a brief summary of the changes -->

## Description
<!-- Provide a detailed description of the changes -->

Updates to Spring Boot 3.2.4.

## References
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[OpenFGA RFC](https://github.com/openfga/rfcs), other PRs, etc..) -->

https://github.com/spring-projects/spring-boot/releases/tag/v3.2.4

## Review Checklist
- [ ] I have clicked on ["allow edits by
maintainers"](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/working-with-forks/allowing-changes-to-a-pull-request-branch-created-from-a-fork).
- [ ] I have added documentation for new/changed functionality in this
PR or in a PR to [openfga.dev](https://github.com/openfga/openfga.dev)
[Provide a link to any relevant PRs in the references section above]
- [ ] The correct base branch is being used, if not `main`
- [ ] I have added tests to validate that the change in functionality is
working as expected

openfga-spring-boot-starter/build.gradle

@@ -1,6 +1,6 @@
 plugins {
     id 'java-library'
-    id 'org.springframework.boot' version '3.2.3' apply false
+    id 'org.springframework.boot' version '3.2.4' apply false
     id 'io.spring.dependency-management' version '1.1.4'
     id 'maven-publish'
 }