Is your feature request related to a problem? Please describe.

We are having some problems in the unit tests on Java 24.
This seems to be caused by the fact that Quarkus 3.24.5 (and the current latest 3.28.1) uses Vert.x 4.5.16 which has a ServiceLoader incompatibility with Java 24/
The specific error occurs when Vert.x tries to load JsonFactory for SSE (Server-Sent Events) streaming:

ServiceConfigurationError: io.vertx.core.spi.JsonFactory: io.quarkus.vertx.runtime.jackson.QuarkusJacksonFactory not a subtype

Also, we are seeing some warnings in the reference tests on Java 24, and a failure on 24.

The problematic test is excluded on Java 24 in #312.

Describe the solution you'd like

When there is a suitable Quarkus version, we should upgrade to that and remove the workaround from #312.

Describe alternatives you've considered

No response

Additional context

No response

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