Migrate from cloud sleuth to micrometer tracing

[mshima]

Closes #20004.

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[mraible]

It looks like snapshots need to be updated.

[mshima]

Micrometer tracing is still a milestone and probably will follow spring boot 3 cycle, rebased against spring 3 branch.
Seems to be some integration with spring-boot-actuator that should be available at 3.0.0-RC1.
Tried to use snapshot, but failed to compile.

[mshima]

It works almost of the box.
It's conflicting with prometheus right now spring-projects/spring-boot#32817 (comment).

[mshima]

It's working out of the box after jhipster/jhipster-bom@9bb15eb.

Documentation updated at jhipster/jhipster.github.io#1238.

Tested using:

jhipster --application-type gateway --defaults --cache-provider no
docker compose -f src/main/docker/zipkin.yml up -d
./mvnw -Pdev,webapp,zipkin

Navigate to localhost:8080 and go to http://localhost:9411/ and click RUN QUERY.
Tracing should be shown.

[mshima]

If startup freezes, disable Prometheus at application.yml.

[mraible]

It looks like snapshots need to be updated.