feat(micrometer): add meter logging on shutdown

[squakez]

This PR enables the possibility to log certain meters (or all of them) when the application is shutting down. This is a great help for monitoring applications that crashes or even controlled shutdown (ie, cronjob, serverless, ...).

Adding the following configurations:

camel.metrics.logMetricsOnShutdown=true #default false
camel.metrics.logMetricsOnShutdownFilters=app.info,camel.exchanges.* #default *

when the application shutdowns it returns:

...
2026-03-02 10:50:13.021  INFO 269172 --- [           main] icrometer.json.AbstractMicrometerService : Micrometer component is stopping, here a list of metrics collected so far.
2026-03-02 10:50:13.049  INFO 269172 --- [           main] icrometer.json.AbstractMicrometerService : {"name":"camel.exchanges.external.redeliveries","type":"counter","value":0.0,"tags":{"routeId":"","kind":"CamelRoute","camelContext":"camel-1","eventType":"context"}}
2026-03-02 10:50:13.050  INFO 269172 --- [           main] icrometer.json.AbstractMicrometerService : {"name":"camel.exchanges.succeeded","type":"counter","value":0.0,"tags":{"routeId":"","kind":"CamelRoute","camelContext":"camel-1","eventType":"context"}}
2026-03-02 10:50:13.050  INFO 269172 --- [           main] icrometer.json.AbstractMicrometerService : {"name":"camel.exchanges.failed","type":"counter","value":0.0,"tags":{"routeId":"","kind":"CamelRoute","camelContext":"camel-1","eventType":"context"}}
2026-03-02 10:50:13.050  INFO 269172 --- [           main] icrometer.json.AbstractMicrometerService : {"name":"camel.exchanges.total","type":"counter","value":0.0,"tags":{"routeId":"","kind":"CamelRoute","camelContext":"camel-1","eventType":"context"}}
2026-03-02 10:50:13.051  INFO 269172 --- [           main] icrometer.json.AbstractMicrometerService : {"name":"app.info","type":"gauge","value":"NaN","tags":{"camel.runtime.provider":"Main","camel.runtime.version":"4.19.0-SNAPSHOT","camel.context":"camel-1","camel.version":"4.19.0-SNAPSHOT"}}
2026-03-02 10:50:13.051  INFO 269172 --- [           main] icrometer.json.AbstractMicrometerService : {"name":"camel.exchanges.failures.handled","type":"counter","value":0.0,"tags":{"routeId":"","kind":"CamelRoute","camelContext":"camel-1","eventType":"context"}}
2026-03-02 10:50:13.055  INFO 269172 --- [ntloop-thread-0] tform.http.vertx.VertxPlatformHttpServer : Vert.x HttpServer stopped
2026-03-02 10:50:13.069  INFO 269172 --- [           main] e.camel.impl.engine.AbstractCamelContext : Apache Camel 4.19.0-SNAPSHOT (camel-1) shutdown in 62ms (uptime:2s)

...

Closes CAMEL-23089

Description

Target

• I checked that the commit is targeting the correct branch (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 have run mvn clean install -DskipTests locally from root folder and I have committed all auto-generated changes.

[github-actions]

🌟 Thank you for your contribution to the Apache Camel project! 🌟
🤖 CI automation will test this PR automatically.

🐫 Apache Camel Committers, please review the following items:

• First-time contributors require MANUAL approval for the GitHub Actions to run
• You can use the command /component-test (camel-)component-name1 (camel-)component-name2.. to request a test from the test bot although they are normally detected and executed by CI.
• You can label PRs using build-all, build-dependents, skip-tests and test-dependents to fine-tune the checks executed by this PR.
• Build and test logs are available in the summary page. Only Apache Camel committers have access to the summary.

⚠️ Be careful when sharing logs. Review their contents before sharing them publicly.

[davsclaus]

There are uncommitted changes
HEAD detached at pull/21673/merge
Changes not staged for commit:
(use "git add ..." to update what will be committed)
(use "git restore ..." to discard changes in working directory)
modified: catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/main/camel-main-configuration-metadata.json

[davsclaus]

Maybe CSB and/or CEQ need to add these options as well

[squakez]

Maybe CSB and/or CEQ need to add these options as well

Yeah, I need to check that part once this is merged, thanks.